.gitignore: Add utility binaries

Change-Id: Iad84eda9949a60bcbde092ad8f4d7cd0bcbdb942
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/17991
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
1 file changed