Use the new fitblk driver on the BananaPi R2 as well as UniElec U7623.
Introduce boot device selection for fitblk's /chosen/rootdisk
handle, similar to how it is already done on MT7622, MT7986 and MT7988.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Add U-Boot env settings to allow accessing the environment using
fw_printenv and fw_setenv tools on the UniElec U7623 board.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Add fw_env configuration for the BPi-R2 which is a mediatek/mt7623
devboard which can be booted from SD Card or eMMC.
Auto detect the boot device and add environment accordingly.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
