If `gms == ARRAY_SIZE(gms_size_map)`, then we will have an
out of bounds read. Fix the check to exclude this case.
This was partially fixed in 04f68c1 (baytrail: fix range
check).
Found-by: Coverity Scan, CID 1229677 (OVERRUN)
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: I8c8cd59df49beea066b46cde3cf00237816aff33
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32125
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>