drm/etnaviv: submit supports performance monitor requests

We increment the minor driver version so userspace can detect perfmon support.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>