Add minimal Device entries with just an _ADR for each of the PEG ports
for P and M chipsets (N does not have any PEG ports).
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Id1009004969729eddf7005fa190f5e1ca2d7b468
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60181
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>