bump version to 2022.02.9

add miyoo_defconfig

board/kontron/pitx-imx8m/extlinux.conf

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+label buildroot
+  kernel /boot/Image
+  devicetree /boot/freescale/imx8mq-kontron-pitx-imx8m.dtb
+  append root=PARTUUID=%PARTUUID% rootwait rw

board/kontron/pitx-imx8m/genimage.cfg

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+image sdcard.img {
+	hdimage {
+		partition-table-type = "gpt"
+	}
+
+	partition imx-boot {
+		in-partition-table = "no"
+		image = "imx8-boot-sd.bin"
+		offset = 33K
+	}
+
+	partition rootfs {
+		offset = 8M
+		image = "rootfs.ext4"
+		partition-uuid = %PARTUUID%
+	}
+}

board/kontron/pitx-imx8m/post-build.sh

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+#!/bin/sh
+BOARD_DIR="$(dirname $0)"
+PARTUUID="$($HOST_DIR/bin/uuidgen)"
+
+install -d "$TARGET_DIR/boot/extlinux/"
+sed "s/%PARTUUID%/$PARTUUID/g" "$BOARD_DIR/extlinux.conf" > "$TARGET_DIR/boot/extlinux/extlinux.conf"
+sed "s/%PARTUUID%/$PARTUUID/g" "$BOARD_DIR/genimage.cfg" > "$BINARIES_DIR/genimage.cfg"

board/kontron/pitx-imx8m/post-image.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+support/scripts/genimage.sh -c ${BINARIES_DIR}/genimage.cfg

board/kontron/pitx-imx8m/readme.txt

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+Kontron pitx-imx8m
+==================
+
+https://www.kontron.com/produkte/pitx-imx8m/p155258
+
+
+How to build it
+===============
+
+Configure buildroot:
+
+  $ make kontron_pitx_imx8m_defconfig
+
+Change settings to fit your needs (optional):
+
+  $ make menuconfig
+
+Compile everything and buildr the rootfs image:
+
+  $ make
+
+
+Result of the build
+===================
+
+After building, the output/images directory contains:
+
+  output/images/
+    ├── bl31.bin
+    ├── boot.scr
+    ├── ddr_fw.bin
+    ├── Image
+    ├── imx8-boot-sd.bin
+    ├── imx8mq-kontron-pitx-imx8m.dtb
+    ├── lpddr4_pmu_train_fw.bin
+    ├── rootfs.ext2
+    ├── rootfs.ext4 -> rootfs.ext2
+    ├── rootfs.tar
+    ├── sdcard.img
+    ├── signed_hdmi_imx8m.bin
+    ├── u-boot.bin
+    ├── u-boot.itb
+    ├── u-boot-nodtb.bin
+    ├── u-boot-spl.bin
+    └── u-boot-spl-ddr.bin
+
+
+Flashing the SD card image
+==========================
+
+To install the image on a SDCard simply copy sdcard.img to the storage (e.g. SD, eMMC)
+
+  $ sudo dd if=output/images/sdcard.img of=<your-sd-device>
+
+
+Preparing the board
+===================
+
+ * Connect a serial line to the board
+ * Insert the SD card
+ * Make sure the boot source selection DIP switches are set correctly
+  * SW1 1-4 OFF
+  * SW1 2-3 OFF
+ * Power-up the board
+
+
+Booting the board
+=================
+
+By default the bootloader will search for the first valid image, starting
+with the internal eMMC. To make sure the bootloader loads bootscript from
+the correct location (SD card) set the boot_targets environment variable:
+
+  $ setenv boot_targets mmc1