Adapt code to UHK HW and FW (bl_main.c and shutdown_cleanup.c)
Change vector reset configuration (MK22F51212/src/startup/gcc/startup_MK22F51212.S)
Adapt peripheral configuration and start address of UHK (bootloader_config.h)
Adapt clock configuration to make it compatible with UHK.
Added binaries to test the bootloader.