[coreboot-gerrit] Patch merged into coreboot/master: f14: Increase AP stack to 8k on 64bit

the following patch was just integrated into master:
commit f8532b16bec1743b0528a215c71f67c8845e2a0c
Author: Stefan Reinauer 
Date:   Tue Jul 21 14:37:13 2015 -0700

f14: Increase AP stack to 8k on 64bit

This has been broken out from http://review.coreboot.org/#/c/10581/

Change-Id: Ia6153115ff75e21657fa8c244c9eb993d0d63772
    Signed-off-by: Stefan Reinauer 
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: https://review.coreboot.org/11025
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi 
    Reviewed-by: Martin Roth

See https://review.coreboot.org/11025 for details.

-gerrit