Patch merged into coreboot/master: f48179f build system: drop generic util/ %.c -> %.o rule

the following patch was just integrated into master:
commit f48179f171258486d4b0338d2055810b88802d7e
Author: Patrick Georgi 
Date:   Mon May 25 17:29:39 2015 +0200

build system: drop generic util/ %.c -> %.o rule

It shouldn't be necessary because tools should give their own rules.

Change-Id: I8654afaf4f64a14a73677d9901562f7d962f0404
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10290
    Tested-by: build bot (Jenkins)
    Reviewed-by: Kyösti Mälkki

See http://review.coreboot.org/10290 for details.

-gerrit