[coreboot] Patch merged into master: 45df6e2 Add xhcbios and ahcibios rom handling

the following patch was just integrated into master:
commit 45df6e248dd83ecb5b6198dc94d2b88056ac3612
Author: efdesign98 
Date:   Wed Jul 20 19:59:22 2011 -0600

Add xhcbios and ahcibios rom handling

This change adds xhci and ahci bios rom handling that
    is similar to the vgabios rom handling in the arch/x86
    Makefile.inc to the Persimmon and Torpedo mainboards.
    It also adds the basis for AHCI BIOS rom handling to
    the Persimmon Kconfig.

Change-Id: I527a906323ae483cfa2ca0785f3adb43e88fd84b
    Signed-off-by: Frank Vibrans 
    Signed-off-by: efdesign98

See http://review.coreboot.org/109 for details.

-gerrit