i82801gx: Enable upper CMOS in bootblock.

Otherwise checksum may not work correctly on early stages.

For compatibility with old bootblocks also enable it early in romstage.

Change-Id: Ie541d71bd76af182e445aa5ef21fe5ba77091159
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7556
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
i945: Consolidate acpi/platform.asl

Change-Id: Iccb2dda8a427e483c04693e46b00e0bc2452a26b
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7086
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>