CONFIG_MAINBOARD_DEPTHCHARGE is used to override the Board
config for depthcharge which inherit from CONFIG_MAINBOARD_PART_NUMBER.
This is mainly to avoid depthcharge config duplication.
Signed-off-by: Selma BENSAID <selma.bensaid@intel.com>
Change-Id: I6cbc93ca38ad6deeca2c2fb7770024a24233b6f8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mathew King <mathewk@chromium.org>