uboot-boot-scr.bbclass: fixup do to core changes change mmc boot particiton
uboot-boot-scr.bbclass: fixup do to core changes
change mmc boot particiton

Signed-off-by: Armin Kuster <525edcd226fb27e7f47fbb319a38fe989c677548@gmail.com>

akuster/meta-odroid,akuster/meta-odroid,akuster/meta-odroid,akuster/meta-odroid