kobo-nia: new device (MR 5062)

This only support revision A, but nothing dangerous is expected
if run on revision C.

device/testing/device-kobo-nia/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-kobo-nia
+pkgdesc="Kobo Nia"
+pkgver=1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="armv7"
+options="!check !archcheck"
+depends="
+	linux-kobo-clara-mainline
+	kobo-epdc-extractor
+	postmarketos-base
+	u-boot-kobo-nia
+"
+makedepends="devicepkg-dev"
+source="
+	deviceinfo
+	modules-initfs
+"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="
+2b9fc664aca8686e215ffde3deeca3b2d9d167d9d0fd9109333fae7ae3a1beb6759bed6d2bb3d9aa822ac50477505158db710317e756ecd7295356f622972d19  deviceinfo
+4f38f2805647406ff8114833aed585048f1d1412844c645b7fc9813acba7d4149db400ec942d293aee8f090f8369c295bad4d418c28563a33b41340102ff0263  modules-initfs
+"

device/testing/device-kobo-nia/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 Nia"
+deviceinfo_manufacturer="Kobo"
+deviceinfo_codename="kobo-nia"
+deviceinfo_year="2020"
+deviceinfo_arch="armv7"
+deviceinfo_dtb="imx6ull-kobo-nia"
+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="1024"
+deviceinfo_screen_height="758"
+
+# 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-nia/u-boot.imx:2"

device/testing/device-kobo-nia/modules-initfs

+sy7636-core
+sy7636-regulator
+sy7636-hwmon
+mxc_epdc_drm

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

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=u-boot-kobo-nia
+pkgver=2023.10
+pkgrel=0
+pkgdesc="U-Boot for Kobo Nia"
+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="4518da106aae1a8ce97d8ca41c248b79fcec63ed"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/akemnade/$_repository/archive/$_commit.tar.gz
+"
+
+builddir="$srcdir/$_repository-$_commit"
+
+build() {
+	make ARCH="$_carch" mx6ullnia_defconfig
+	make ARCH="$_carch" DEVICE_TREE=imx6ull-kobo-nia
+	scripts/config --set-str BOOTCOMMAND "run distro_bootcmd ; fastboot 0"
+	scripts/config -e ENV_IS_IN_EXT4
+	scripts/config -d ENV_IS_IN_MMC
+	scripts/config --set-str ENV_EXT4_INTERFACE "mmc"
+	scripts/config --set-str ENV_EXT4_DEVICE_AND_PART "0:1"
+	scripts/config --set-str ENV_EXT4_FILE "/uboot.env"
+	make ARCH="$_carch"
+}
+
+package() {
+	install -Dm644 "$builddir/u-boot-dtb.imx" "$pkgdir/usr/share/u-boot/kobo-nia/u-boot.imx"
+}
+
+sha512sums="
+664c2780aad4ae86e411fe71a8d0e0cf98ca7ef98c3daed9e20b4e88e930bb3f0ca2073052d0481338505c29e7641c0fa54efb320398acf7f659c57193fcd7e7  u-boot-kobo-nia-4518da106aae1a8ce97d8ca41c248b79fcec63ed.tar.gz
+"

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

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