mesa-dri: Adds bbappend to enable gles for marzen and mx6q.

* Enable egl and gles for marzen.

* For the time being we are building mesa-dri insted of gpu-viv
for mx6q until FSL EULA issue is resolved. We will remove mx6
configuration as soon as we get the permission to use FSL EULA.

Signed-off-by: Noor Ahsan <noor_ahsan@mentor.com>