etnaviv: Only emit VIVS_PS_MSAA_CONFIG if GPU support it

Context buffer initialization in the nxp-imx kernel driver
(lf-6.6.3-1.0.0) indicates that this state is only defined
when the GPU supports MSAA_FRAGMENT_OPERATION.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36358>
1 file changed