nb/intel/ironlake: Handle broken ME firmware
This allows booting without ME firmware, even though the 30-minute
auto-shutdown still happens. Without this patch, an HP ProBook 6550b
cannot get past the `setup_heci_uma` function call.
Change-Id: I446c02ac6034ede75cb873a2e676c40e4ef84b7c
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51072
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>