Add a new mainboard called mc_ehl which is based on Intel's
'elkhartlake_crb'. This commit simply copies the mainboard directory and
adjusts the naming to match the new board's name. Follow-up commits will
introduce the needed changes for the new mainboard.
Change-Id: Ia7c0616098046d975aa698910ac81f435d7882cb
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56032
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
e5a1fc788f