add script to boot new kernel once when developing on target device

kernel/test-kernel

@@ -0,0 +1,38 @@
+#!/bin/bash
+# partlabels boiiiiiiiiii
+export KERNA=/dev/disk/by-partlabel/MMCKernelA
+export KERNB=/dev/disk/by-partlabel/MMCKernelB
+
+export CADMIUMROOT=$1
+
+source $CADMIUMROOT/config
+
+cd $CADMIUMROOT/tmp/linux-$TARGET/
+
+# if anything fails, bail out
+set -e
+
+# repack kernel
+[ -f 'vmlinux.uimg' ] && rm vmlinux.uimg
+mkimage -D "-I dts -O dtb -p 2048" -f kernel.its vmlinux.uimg || true
+dd if=/dev/zero of=bootloader.bin bs=512 count=1
+vbutil_kernel --pack vmlinux.kpart \
+        --version 1 \
+        --vmlinuz vmlinux.uimg \
+        --arch aarch64 \
+        --keyblock /usr/share/vboot/devkeys/kernel.keyblock \
+        --signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
+        --config cmdline \
+        --bootloader bootloader.bin
+rm vmlinux.uimg
+
+# set tries to one
+cgpt add -i 2 -t kernel -b 73728 -s 65536 -l MMCKernelB -S 0 -T 1 -P 15 /dev/mmcblk?
+
+make modules_install
+
+# write new kernel
+
+dd if=./vmlinux.kpart of=$KERNB
+
+echo "Save all data and reboot"