buildroot

glmark2: Fix segmentation fault

Running glmark2 on imx6 with kernel 4.11.4 and Mesa 17.1.2 leads to
a segmentation fault.

Apply Lucas Stach's patch to fix the problem while upstream glmark2
doesn't get fixed.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>