samsung-j6lte: new mainline port (MR 5785)

This port is based on the linux-postmarketos-exynos7870 kernel.

device/testing/device-samsung-j6lte/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-samsung-j6lte
+pkgdesc="Samsung Galaxy J6 (2018)"
+pkgver=2
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="
+	dtbtool-exynos
+	linux-postmarketos-exynos7870
+	mesa-dri-simpledrm
+	mkbootimg
+	postmarketos-base
+"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+nonfree_firmware() {
+	pkgdesc="Proprietary firmware blobs for $pkgdesc"
+	depends="firmware-samsung-j6lte"
+	mkdir "$subpkgdir"
+}
+
+sha512sums="
+fa363c817bb6655f53ac7d3a8c349cc96c8a11d80538d1c0d38101eb67ac4452761c3a8283444c0884095495c6f127c70e8be3e004b2898e2353d41570f5e375  deviceinfo
+"

device/testing/device-samsung-j6lte/deviceinfo

+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell
+# scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Samsung Galaxy J6 (2018)"
+deviceinfo_manufacturer="Samsung"
+deviceinfo_codename="samsung-j6lte"
+deviceinfo_year="2018"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_chassis="handset"
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="720"
+deviceinfo_screen_height="1480"
+deviceinfo_gpu_accelerated="true"
+
+# Bootloader related
+deviceinfo_flash_method="heimdall-bootimg"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="true"
+deviceinfo_bootimg_qcdt_type="exynos"
+deviceinfo_bootimg_mtk_mkimage="false"
+deviceinfo_bootimg_dtb_second="false"
+deviceinfo_flash_sparse="true"
+deviceinfo_flash_pagesize="2048"
+deviceinfo_flash_kernel_on_update="true"
+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_heimdall_partition_kernel="BOOT"
+deviceinfo_flash_heimdall_partition_system="USERDATA"
+
+# Kernel related
+deviceinfo_dtb="exynos/exynos7870-j6lte"

device/testing/firmware-samsung-j6lte/APKBUILD

+pkgname=firmware-samsung-j6lte
+pkgver=2
+pkgrel=0
+pkgdesc="Proprietary firmware blobs for Samsung Galaxy J6 (2018)"
+url="https://gitlab.com/exynos7870-mainline/firmware"
+arch="aarch64"
+license="proprietary"
+options="!check !strip !archcheck !spdx !tracedeps pmb:cross-native"
+
+_device="j6lte"
+_commit="c69a2f7405aeadf3eac6a1e9aa870608707022a2"
+
+source="$url/-/archive/$_commit/firmware-$_commit.tar.gz"
+
+package() {
+	# Bluetooth firmware (Broadcom BCM43430B0)
+	install -Dm644 "$srcdir/firmware-$_commit/$_device/bluetooth_bcm.hcd" \
+		"$pkgdir"/lib/firmware/postmarketos/brcm/"BCM43430B0.hcd"
+
+	# Wi-Fi SDIO firmware (Broadcom BCM43430B0)
+	install -Dm644 "$srcdir/firmware-$_commit/$_device/wlansdio_bcm.bin" \
+		"$pkgdir"/lib/firmware/postmarketos/brcm/"brcmfmac43430b0-sdio.bin"
+	install -Dm644 "$srcdir/firmware-$_commit/$_device/wlansdio_bcm.clm_blob" \
+		"$pkgdir"/lib/firmware/postmarketos/brcm/"brcmfmac43430b0-sdio.clm_blob"
+	install -Dm644 "$srcdir/firmware-$_commit/$_device/wlansdio_bcm.txt" \
+		"$pkgdir"/lib/firmware/postmarketos/brcm/"brcmfmac43430b0-sdio.txt"
+}
+sha512sums="
+ae7c5c531ef0f15b690089a884f45030eaab8056297db0ca07eb93c06d537f1a3e43fd2a602c6b044e61d4f9ebd071a2dc500a7766fa0775633385703be1ad66  firmware-c69a2f7405aeadf3eac6a1e9aa870608707022a2.tar.gz
+"