kobo-clara2e: new device (MR 5202)

For now, limited support without graphics. Graphics
support would need messing and detecting board variants.

especially since Rev B seems to need a vcom setting per batch.

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

device/testing/device-kobo-clara2e/APKBUILD

+# Maintainer: Andreas Kemnade <andreas@kemnade.info>
+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-kobo-clara2e
+pkgdesc="Kobo Clara 2E"
+pkgver=1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="armv7"
+options="!check !archcheck"
+depends="
+	linux-postmarketos-imx-ereader
+	kobo-epdc-extractor
+	postmarketos-base
+	u-boot-kobo-clara2e
+"
+_pmb_recommends="
+	linux-firmware-mrvl
+	linux-firmware-nxp
+"
+makedepends="devicepkg-dev"
+
+source="
+	deviceinfo
+	modules-initfs
+"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="
+57a6c9fbf96f3adeb64462a859226fa846a0b1344667cf1b143f79e0c736b18be6be16d26856b48a77a819c7beb6fd6255fcceb57b1010a870aef369e2a21f10  deviceinfo
+90da9f4f7833af6286c7dad81c5601bb2e35f814f501d02d9e37a80f35c453ae8b8a5c49ed36fcb5b35eef1d81280679a82ef80a60b4bca373a33b0b8f881511  modules-initfs
+"

device/testing/device-kobo-clara2e/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="Kobo Clara 2E"
+deviceinfo_manufacturer="Kobo"
+deviceinfo_codename="kobo-clara2e"
+deviceinfo_year="2022"
+deviceinfo_arch="armv7"
+deviceinfo_dtb="imx6sll-kobo-clara2e-a"
+deviceinfo_kernel_cmdline="console=ttymxc0,115200"
+deviceinfo_generate_extlinux_config="true"
+
+# Device related
+deviceinfo_chassis="tablet"
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1072"
+deviceinfo_screen_height="1448"
+
+# Bootloader related
+deviceinfo_flash_method="none"
+deviceinfo_boot_part_start="49152"
+deviceinfo_getty="ttymxc0;115200"
+deviceinfo_no_framebuffer="true"
+
+deviceinfo_sd_embed_firmware_step_size="512"
+deviceinfo_sd_embed_firmware="u-boot/kobo-clara2e/u-boot.imx:2"

device/testing/device-kobo-clara2e/modules-initfs

+mxc_epdc_drm

device/testing/u-boot-kobo-clara2e/APKBUILD

+# Maintainer: Andreas Kemnade <andreas@kemnade.info>
+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=u-boot-kobo-clara2e
+pkgver=2023.10
+pkgrel=0
+pkgdesc="U-Boot for Kobo Clara 2E"
+arch="armv7"
+_carch="arm"
+license="GPL-2.0"
+url="https://github.com/akemnade/u-boot-fslc"
+makedepends="bash bc dtc bison flex openssl-dev"
+options="!check !tracedeps pmb:cross-native"
+
+install="$pkgname.post-upgrade"
+_repository="u-boot-fslc"
+_commit="1f55e1ef7b1ac1e0cdb1375e787f287c33599220"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/akemnade/$_repository/archive/$_commit.tar.gz
+"
+
+builddir="$srcdir/$_repository-$_commit"
+
+build() {
+	make ARCH="$_carch" mx6sllclara2e_defconfig
+	scripts/config --set-str BOOTCOMMAND "run detect_clara2erev ; run distro_bootcmd ; fastboot 0"
+	scripts/config -e ENV_IS_IN_EXT4
+	scripts/config -d ENV_IS_IN_MMC
+	scripts/config --set-str ENV_EXT4_INTERFACE "mmc"
+	scripts/config --set-str ENV_EXT4_DEVICE_AND_PART "0:1"
+	scripts/config --set-str ENV_EXT4_FILE "/uboot.env"
+	make ARCH="$_carch"
+}
+
+package() {
+	install -Dm644 "$builddir/u-boot-dtb.imx" "$pkgdir/usr/share/u-boot/kobo-clara2e/u-boot.imx"
+}
+
+sha512sums="
+23247e23a0fc6991d23c88724b2c85840aa5dd99c0e48aa7f1aeeba0f45fb049f9801fca06df3136d47a8c708e93f1eb761a005d4f6016e09a29f603ecca40f9  u-boot-kobo-clara2e-1f55e1ef7b1ac1e0cdb1375e787f287c33599220.tar.gz
+"

device/testing/u-boot-kobo-clara2e/u-boot-kobo-clara2e.post-upgrade

+#!/bin/sh
+DEV=`mount | sed -n -E 's:.*(/dev/mmcblk[0-9])p[0-9] on /boot .*:\1:p'`
+if [ -n "$DEV" ] ; then
+	dd if=/usr/share/u-boot/kobo-clara2e/u-boot.imx bs=512 seek=2 of="$DEV"
+fi
+