device/testing: update htc-flounder to use mainline kernel (MR 3623)

This is an incomplete port but it has greater functionality than the existing downstream based one, which has been moved to unmaintained.

[ci:skip-build]: Already built successfully in CI

device/testing/device-htc-flounder/APKBUILD

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+# Maintainer: Segfault <awarnecke002@hotmail.com>
+pkgname=device-htc-flounder
+pkgdesc="Google Nexus 9"
+pkgver=0.2
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="
+	linux-htc-flounder
+	mkbootimg
+	postmarketos-base
+"
+makedepends="devicepkg-dev"
+subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
+source="deviceinfo"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+nonfree_firmware() {
+	pkgdesc="Google Nexus 9 firmware"
+	depends="linux-firmware-brcm linux-firmware-nvidia firmware-htc-flounder"
+	mkdir "$subpkgdir"
+}
+
+sha512sums="
+91501e12adbb13d5f70a24abdd6eb51f4f671c22b6a25405af7032d2902226527e862736af18e95e278d46b6266ca58f130fb9fe0d8c553251b8e2e85345a7e4  deviceinfo
+"

device/testing/device-htc-flounder/deviceinfo

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+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell
+# scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Google Nexus 9"
+deviceinfo_manufacturer="HTC"
+deviceinfo_codename="htc-flounder"
+deviceinfo_year="2014"
+deviceinfo_dtb="nvidia/tegra132-flounder"
+deviceinfo_append_dtb="true"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_chassis="tablet"
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="false"
+deviceinfo_screen_width="1536"
+deviceinfo_screen_height="2048"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="console=ttyS0,115200"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_bootimg_mtk_mkimage="false"
+deviceinfo_bootimg_dtb_second="false"
+deviceinfo_flash_pagesize="2048"
+deviceinfo_header_version="0"
+deviceinfo_flash_offset_base="0x10000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_flash_sparse="true"

device/testing/firmware-htc-flounder/APKBUILD

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+# Maintainer: Segfault <awarnecke002@hotmail.com>
+pkgname=firmware-htc-flounder
+pkgver=2.0
+pkgrel=0
+pkgdesc="Firmware for Google Nexus 9"
+url="https://github.com/LineageOS/android_device_htc_flounder"
+arch="aarch64"
+license="custom:proprietary"
+options="!check !strip !archcheck !spdx !tracedeps pmb:cross-native"
+
+# Sources
+_commit="2ef67acc1769613c968493feeb8e2548a1519d37"
+_url="https://github.com/LineageOS/android_device_htc_flounder"
+source="$pkgname-$_commit.tar.gz::$_url/archive/$_commit.tar.gz"
+
+package() {
+	cd "$srcdir/android_device_htc_flounder-$_commit"
+	install -Dm644 bcmdhd.cal \
+		"$pkgdir"/lib/firmware/postmarketos/brcm/brcmfmac4354-sdio.google,flounder64.txt
+}
+sha512sums="
+4e931621822a041570bca1e8ba7548b5c954c5c6b382665e263205b7247b67640df83cecdf32a0d6890f49c93393fe1305a60ab4bce85d435fadeece2042b38e  firmware-htc-flounder-2ef67acc1769613c968493feeb8e2548a1519d37.tar.gz
+"

device/testing/linux-htc-flounder/APKBUILD

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+# Maintainer: Segfault <awarnecke002@hotmail.com>
+pkgname=linux-htc-flounder
+pkgver=6.0.0
+pkgrel=0
+pkgdesc="Google Nexus 9 kernel fork"
+arch="aarch64"
+_carch="arm64"
+_flavor="htc-flounder"
+url="https://kernel.org"
+license="GPL-2.0-only"
+options="!strip !check !tracedeps pmb:cross-native
+	pmb:kconfigcheck-nftables pmb:kconfigcheck-zram
+	pmb:kconfigcheck-containers pmb:kconfigcheck-waydroid"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev
+	     devicepkg-dev bison flex openssl-dev xz findutils gzip"
+
+# Source
+_repository="linux"
+_commit="1af7ece0542ef888433623a572ed8e19ca5e956a"
+_config="config-$_flavor.$arch"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/TuxThePenguin0/$_repository/archive/$_commit.tar.gz
+	$_config
+"
+builddir="$srcdir/$_repository-$_commit"
+_outdir="out"
+
+prepare() {
+	default_prepare
+	REPLACE_GCCH=0 \
+		. downstreamkernel_prepare
+}
+
+build() {
+	unset LDFLAGS
+	make O="$_outdir" ARCH="$_carch" CC="${CC:-gcc}" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+}
+
+package() {
+	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor" "$_outdir"
+
+	make modules_install dtbs_install \
+		O="$_outdir" ARCH="$_carch" \
+		INSTALL_MOD_STRIP=1 \
+		INSTALL_MOD_PATH="$pkgdir" \
+		INSTALL_DTBS_PATH="$pkgdir/boot/dtbs"
+
+	# Flounder requires a gzip compressed kernel
+	gzip "$pkgdir"/boot/vmlinuz
+	mv "$pkgdir"/boot/vmlinuz.gz "$pkgdir"/boot/vmlinuz
+}
+
+sha512sums="
+ee712d770cc863a6acff52ee32c5009657480864fcd748f0ccc7afb9edba912d727e56bd1d484bd391c5f3d0fed0d063ec8fca36af80c88572bcf85a6f00522e  linux-htc-flounder-1af7ece0542ef888433623a572ed8e19ca5e956a.tar.gz
+4c1a3d44019233ebe2ec9987b4b7ebc1f3d4f60cff7a0fef17b3bfa4df108c8810c023a795500e72f9a697a871438d10be45deb0799648050cf71733055c8637  config-htc-flounder.aarch64
+"