firmware-lenovo-21bx: new aport (MR 4664)

non-free firmware not (yet?) submitted to linux-firmware, this is pulled
directly from the latest versions distributed by lenovo, instead of some
probably outdated repo distributed by random folks.

The bt firmware here fixes an issue where the bt range on the 21bx is
extremely poor (like ~1 meter or less)

device/testing/firmware-lenovo-21bx/APKBUILD

@@ -0,0 +1,37 @@
+# Contributor: Clayton Craft <clayton@craftyguy.net>
+# Maintainer: Clayton Craft <clayton@craftyguy.net>
+pkgname=firmware-lenovo-21bx
+pkgver=1
+pkgrel=0
+# these are renamed when new versions are released by lenovo
+_vid_filename=n3hdr20w # "Qualcomm Graphics Driver" v30.0.3851.4800
+_bt_filename=n3hww14w # "Qualcomm Bluetooth Driver" v1.0.3638.8101
+pkgdesc="Firmware for the Lenovo Thinkpad X13s (21bx)"
+url="https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x13s-type-21bx-21by/downloads/driver-list"
+arch="aarch64"
+license="proprietary"
+options="!check !strip !archcheck !tracedeps pmb:cross-native"
+makedepends="innoextract"
+source="
+	https://download.lenovo.com/pccbbs/mobiles/$_vid_filename.exe
+	https://download.lenovo.com/pccbbs/mobiles/$_bt_filename.exe
+	"
+
+build() {
+	innoextract -I drivers/qcvss8280.mbn "$srcdir/$_vid_filename.exe"
+	innoextract -I hpnv21.b8c "$srcdir/$_bt_filename.exe"
+}
+
+package() {
+	# video acceleration (venus)
+	_name_upper="$(echo "$_vid_filename" | tr [:lower:] [:upper:])"
+	install -Dm644 "$srcdir"/code\$GetExtractPath\$/"$_name_upper"/drivers/qcvss8280.mbn \
+		-t "$pkgdir"/lib/firmware/qcom/sc8280xp/LENOVO/21BX/
+	# bluetooth, renamed to "replace" fw from linux-firmware-qca
+	install -Dm644 "$srcdir"/code\$GetExtractPath\$/bluetooth_hsp/hpnv21.b8c \
+		"$pkgdir"/lib/firmware/postmarketos/qca/hpnv21.bin
+}
+sha512sums="
+d569333b6819024d2142f0330688a0ed3c9f3dfd5d75ab1488d42412f7c8bdb6b83d43b7fa5543fb03a071e23d28d37f86e40272d61c7a14992c4663fc1aa1e6  n3hdr20w.exe
+1a412daf6baa6cef76ccb7e169944a9bdf129154e8168f8cdcc9e7084ca86942d5d735bcf359cfe17f5a41f45145fdaa613bb7e6953bddf41104564ff74a317e  n3hww14w.exe
+"