Patch merged into coreboot/master: intel i945 gm45 x4x: Apply cbmem_top() alignment

the following patch was just integrated into master:
commit 811932a61411f5258096e734a158be01c00cf940
Author: Kyösti Mälkki 
Date:   Fri Jul 22 22:53:19 2016 +0300

intel i945 gm45 x4x: Apply cbmem_top() alignment

Force modest 4 MiB alignment to help with MTRR assignment.

Change-Id: I49a7d1288bc079da1b8bd52150ddcfcfe2e51179
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: https://review.coreboot.org/17780
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/17780 for details.

-gerrit