Patch merged into coreboot/master: AMD Merlin Falcon: Mask bit 31 of BIST while doing BIST check

the following patch was just integrated into master:
commit fe234c4d2a6ce0e1279597566336fe9277b8aa3b
Author: zbao 
Date:   Thu Jul 2 16:53:09 2015 -0400

AMD Merlin Falcon: Mask bit 31 of BIST while doing BIST check

This is a result of the Silcon Observation. On warm reset, the BIST
    is 0x80000000, which causes BIST error. We skip checking this bit.
    The update will be in CZ BKDG 1.05.

The code is tested on AMD/bettong.

Change-Id: I51c3f3567f758766079f7c8789f1ff072e1a7c53
    Signed-off-by: Zheng Bao 
    Signed-off-by: Zheng Bao 
    Reviewed-on: http://review.coreboot.org/10902
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See http://review.coreboot.org/10902 for details.

-gerrit