Patch merged into coreboot/master: e24a119 build: allow romcc to be wrapped

the following patch was just integrated into master:
commit e24a119cceeef8ad62672fad2b92fd2f026621ab
Author: Patrick Georgi 
Date:   Sat May 17 19:05:56 2014 +0200

build: allow romcc to be wrapped

Allow ccache and scan-build to wrap romcc.
    This works a bit different from the other compilers
    because we only define it later.

Change-Id: I3adce91d3dde9dd50aa6a2baad5b457744f35575
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/5773
    Tested-by: build bot (Jenkins)
    Reviewed-by: Kyösti Mälkki

See http://review.coreboot.org/5773 for details.

-gerrit