drm/etnaviv: Expose a few more chipspecs to userspace

These ones will be needed to make use fo the NN and TP units in the NPUs
based on Vivante IP.

Also fix the number of NN cores in the VIPNano-qi.

Signed-off-by: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Acked-by: Christian Gmeiner <cgmeiner@igalia.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>