mainboard/intel/quark: Enable reg_access during romstage

Turn on reg_access during romstage.

TEST=Build and run on Galileo Gen2

Change-Id: Iff1616836d6031f43d7741693febefa0bf26b948
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15008
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
2 files changed