drm/tidss: Remove extra K2G check

We check if the platform is K2G in dispc_k3_clear_irqstatus(), and
return early if so. This cannot happen, as the _k3_ functions are never
called on K2G in the first place. So remove the check.

Reviewed-by: Devarsh Thakkar <devarsht@ti.com>
Reviewed-by: Aradhya Bhatia <aradhya.bhatia@linux.dev>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241021-tidss-irq-fix-v1-3-82ddaec94e4a@ideasonboard.com

drivers/gpu/drm/tidss/tidss_dispc.c

@@ -789,8 +789,6 @@ void dispc_k3_clear_irqstatus(struct dispc_device *dispc, dispc_irq_t clearmask)
 		if (clearmask & DSS_IRQ_PLANE_MASK(i))
 			dispc_k3_vid_write_irqstatus(dispc, i, clearmask);
 	}
-	if (dispc->feat->subrev == DISPC_K2G)
-		return;
 
 	/* always clear the top level irqstatus */
 	dispc_write(dispc, DISPC_IRQSTATUS, dispc_read(dispc, DISPC_IRQSTATUS));