nb/intel/gm45: Use a common romstage

This moves a lot of the common romstage boilerplate code to a common
location, while adding a few mainboard specific hooks.

Another difference is that the settings for enable_igd and enable_peg
are now based on the static devicetree settings.

Change-Id: I30ef7f6962aabde78b5c40e0b53bb85e01c254c1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/31190
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

0 files changed, 0 insertions, 0 deletions