Patch merged into coreboot/master: AGESA binaryPI: Fix cache-as-ram for x86_64

the following patch was just integrated into master:
commit f6fe2f1286f2551ae8d9732f949a51eb6c975363
Author: Kyösti Mälkki 
Date:   Mon Nov 21 11:26:48 2016 +0200

AGESA binaryPI: Fix cache-as-ram for x86_64

AMD_ENABLE_STACK was not called on x86_64 path for AGESA, while
    it was for binaryPI.

Comments on BIST and cpu_init_detected were reversed, so fix those
    too.

Change-Id: I0ddfaf51feb386a56d488c29d60171b05ff6fbc4
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: https://review.coreboot.org/17551
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Edward O'Callaghan

See https://review.coreboot.org/17551 for details.

-gerrit