This patch drops NEM support from MTL and enables eNEM support.
BUG=b:217130861
TEST=Able to build and boot Google/Rex in eNEM mode.
Change-Id: I6ef915ec0caf0d95b488602950b0b25958ec4cbd
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70673
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>