As of CB:36136 ebda and memmap are identical for skl, cnl and icl, thus
move them to common code.
Tested successfully on X11SSM-F
Change-Id: I9a20c814d2a6874fcb4ff99ef1a7825d891f74e2
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36137
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>