package/gtkperf: add hash for license file
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 2d734349a65175ad49ae01068b785b4c2b47383c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>