[coreboot-gerrit] Patch merged into coreboot/master: southbridge/amd/sb700: Fix boot hang when AHCI mode disabled

the following patch was just integrated into master:
commit 1a38374535df694a1a63d1f198d9828249019390
Author: Timothy Pearson 
Date:   Sun Oct 25 18:58:24 2015 -0500

southbridge/amd/sb700: Fix boot hang when AHCI mode disabled

Existence of requested PCI device was not checked when enabling
    IDE mode on the SP5100.  Fix incorrect PCI device ID and check
    for device existence before attempting setup.

Change-Id: I726c355571b5c67c9a13995be2352601c03ab1e4
    Signed-off-by: Timothy Pearson 
    Reviewed-on: https://review.coreboot.org/12572
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/12572 for details.

-gerrit