fairphone-fp4: new device (Fairphone 4) (MR 2562)

[ci:skip-build]: already built successfully in CI

device/testing/device-fairphone-fp4/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-fairphone-fp4
+pkgdesc="Fairphone 4"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="
+	linux-postmarketos-qcom-sm6350
+	mesa-dri-gallium
+	mkbootimg
+	postmarketos-base
+"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="
+cf7388665c429b7046385b2c810d85b7ed380180d38cdc435915beb3347b2f1679d54388ebf856a812f6839fb431b6c9f7e0d576565f283b941ed26da6543d55  deviceinfo
+"

device/testing/device-fairphone-fp4/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="Fairphone 4"
+deviceinfo_manufacturer="Fairphone"
+deviceinfo_codename="fairphone-fp4"
+deviceinfo_year="2021"
+deviceinfo_dtb="qcom/sm7225-fairphone-fp4"
+deviceinfo_append_dtb="true"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_chassis="handset"
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1080"
+deviceinfo_screen_height="2340"
+deviceinfo_getty="ttyMSM0;115200"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="PMOS_NO_OUTPUT_REDIRECT"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_bootimg_mtk_mkimage="false"
+deviceinfo_bootimg_dtb_second="false"
+deviceinfo_flash_pagesize="4096"
+deviceinfo_flash_offset_base="0x00000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00000000"
+deviceinfo_flash_offset_tags="0x00000100"