hexdump: fix compiler warning

Fixed "warning: format not a string literal and no format arguments"

Change-Id: If752a37f268c90f782c6e831e5477ea804e48026
Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
Reviewed-on: http://review.coreboot.org/878
Tested-by: build bot (Jenkins)
Reviewed-by: Bernhard Urban <lewurm@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed