tablet-x86uefi: add workaround for recovering from ath6kl fw hangs (MR 4189)

Apparently the ath6kl FW can hang at times, so this enables automatic
recovery. This should make wifi on tablets that use ath6kl a little more
reliable.

device/testing/device-tablet-x86uefi/APKBUILD

@@ -1,7 +1,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-tablet-x86uefi
 pkgdesc="Various tablets with atom CPU"
-pkgver=6
+pkgver=7
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -9,7 +9,11 @@ arch="x86_64"
 options="!check !archcheck"
 depends="postmarketos-base linux-lts libva-intel-driver grub-x86 alsa-ucm-conf"
 makedepends="devicepkg-dev"
-source="deviceinfo grub.cfg"
+source="
+	ath6kl.conf
+	deviceinfo
+	grub.cfg
+	"
 subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
 
 build() {
@@ -18,8 +22,12 @@ build() {
 
 package() {
 	devicepkg_package $startdir $pkgname
+
 	install -D "$srcdir"/grub.cfg \
 		"$pkgdir"/boot/grub/grub.cfg
+
+	install -Dm644 "$srcdir"/ath6kl.conf \
+		-t "$pkgdir"/lib/modprobe.d/
 }
 
 nonfree_firmware() {
@@ -29,6 +37,7 @@ nonfree_firmware() {
 }
 
 sha512sums="
+41bfee76f89b323afa642a2d96f18b33cb73fec28518873e1e3f7e05764d85afd7b620b1ef23fd8d43172fd1cc164056ed893f872fa1894eebafc7ce7b2030f1  ath6kl.conf
 ef32274fb8c97537b12e461760ff525814bc311bf3fd56c26e8186a53a1a81d6424d0864093ad41695551ba0592ac505407332a36ce61a8e41430abec096c245  deviceinfo
 2d951d71102181db85a2468fd770ee3a7958c06b14e27e52e0d4ff0e9b88f3ab3c5c9b15c8a938d1cd2ae0c94ad2aad7001f1b6fe943f96a38602085f481a4cf  grub.cfg
 "

device/testing/device-tablet-x86uefi/ath6kl.conf

@@ -0,0 +1 @@
+options ath6kl_core heart_beat_poll=1000 recovery_enable=1