Patch merged into coreboot/master: build system: allow modifying cbfstool options for files-in-regions

the following patch was just integrated into master:
commit 1bf5e6409678d04fd15f9625460078853118521c
Author: Patrick Georgi 
Date:   Thu Jan 28 22:34:50 2016 +0100

build system: allow modifying cbfstool options for files-in-regions

By implementing a more complex options-for-region function, special
    needs for certain files in certain regions can be dealt with.

Change-Id: I2e1e08d5357b717011c41675f76908bf2319f91d
    Signed-off-by: Patrick Georgi 
    Reviewed-on: https://review.coreboot.org/13505
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin 
    Tested-by: Raptor Engineering Automated Test Stand

See https://review.coreboot.org/13505 for details.

-gerrit