sb/intel/i82801xx: Use common RCBA MACROs

Change-Id: I61fb3b01ff15ba2da2ee938addfa630c282c9870
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/27043
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
3 files changed