drm/etnaviv: Add nn_core_count to chip feature struct

We will use these for differentiating between GPUs and NPUs, as the
downstream driver does.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

drivers/gpu/drm/etnaviv/etnaviv_gpu.h

@@ -51,6 +51,9 @@ struct etnaviv_chip_identity {
 	/* Number of shader cores. */
 	u32 shader_core_count;
 
+	/* Number of Neural Network cores. */
+	u32 nn_core_count;
+
 	/* Size of the vertex cache. */
 	u32 vertex_cache_size;