samsung-milletwifi: new device

Replaces !4419 (closed) as I created a new branch to work with mainline rather than continue with the downstream kernel.

Requires !4494 (merged) first.

device/testing/device-samsung-milletwifi/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-samsung-milletwifi
+pkgdesc="Samsung Galaxy Tab 4 8.0 Wi-Fi"
+pkgver=1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="armv7"
+options="!check !archcheck"
+depends="linux-postmarketos-qcom-msm8226 mkbootimg postmarketos-base"
+makedepends="devicepkg-dev"
+source="deviceinfo modules-initfs"
+subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+nonfree_firmware() {
+	pkgdesc="GPU/WiFi/BT/Modem/Video firmware"
+	depends="msm-firmware-loader"
+	mkdir "$subpkgdir"
+}
+
+sha512sums="
+7f18715d199734594523319384ca5458a9ae54fff55db8337d6d74b1678695cd9db8a75666c22b41922a05e4af479d938ee53137d02fcd7fd5df3637527a8018  deviceinfo
+566fbcbd958c465fa546068095c51678b6635a247dd7ef1d6c7f4c5fd527a21f41ed4daf8f63a1342433f150d3437b102e523bfa63d17ff64a0ebe48eb7b9ae6  modules-initfs
+"