medion-kai: get wifi working

Get wifi working on medion kai (lifetab 9714) with blob from firmware-aosp-broadcom-wlan.

device/device-medion-kai/APKBUILD

@@ -2,7 +2,7 @@
 # Contributor: red-black-bonsai <red-black-bonsai@gmx.net>
 pkgname="device-medion-kai"
 pkgdesc="Lenovo Medion Lifetab S9714"
-pkgver=0.1
+pkgver=0.2
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -10,7 +10,10 @@ arch="armv7"
 options="!check !archcheck"
 depends="postmarketos-base linux-medion-kai mkbootimg mesa-dri-swrast"
 makedepends="devicepkg-dev"
-source="deviceinfo"
+subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
+source="deviceinfo
+	nvram_4330.txt
+	modules-load.conf"
 
 build() {
 	devicepkg_build $startdir $pkgname
@@ -18,7 +21,19 @@ build() {
 
 package() {
 	devicepkg_package $startdir $pkgname
+
+	install -Dm644 "$srcdir"/modules-load.conf \
+		"$pkgdir"/etc/modules-load.d/00-$pkgname.conf
 }
 
+nonfree_firmware() {
+	pkgdesc="Wifi firmware"
+	depends="firmware-aosp-broadcom-wlan"
+	mkdir "$subpkgdir"
+	install -D -m644 "$srcdir"/nvram_4330.txt \
+		"$subpkgdir"/lib/firmware/postmarketos/bcmdhd/bcm4330/nvram_4330.txt
+}
 
-sha512sums="8ec9bbe89a25cd1f986a70e985f6c045027300ed1a1c0323da3fddf3a9b223eaf0210a9b98fc7188196427ea9078a853ef78457a730494d166bdb1e0d84ea764  deviceinfo"
+sha512sums="8ec9bbe89a25cd1f986a70e985f6c045027300ed1a1c0323da3fddf3a9b223eaf0210a9b98fc7188196427ea9078a853ef78457a730494d166bdb1e0d84ea764  deviceinfo
+0024476dd9309982bcb90ceed8a6600f6ae3b13a2c7b4b5e8b0063e1d817ac76f65c8e6ca43ae0a176b9dd9a5f48d9ffc07f76d71bba34c51f352c8d1ae9eff6  nvram_4330.txt
+0ccd4cdc19fefb4c91fe5e11344e72a57c88e4f361240df7dcb26e2ee810c83e3ae84e70baf80bbcfa03e47151bd4729503ad8833b50ecd9a84de5a4c4c008dc  modules-load.conf"