Make the path to the binary independent from CWD

Change-Id: Ib30d619b0603759640e7a52f5d954daa98a25554
Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at>
Reviewed-on: http://review.coreboot.org/1518
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
1 file changed