drm/i915: drop the typedef for drm_i915_private_t

There are no longer users of drm_i915_private_t. Drop the typedef. Good
riddance.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Chris Wilson <chris@chris-wislon.co.uk>
[danvet: Add the hunk in i915_cmd_parser.c here which had to be
relocated to the how this was merged.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 788bd96..d8e5034 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -730,7 +730,7 @@
  */
 bool i915_needs_cmd_parser(struct intel_ring_buffer *ring)
 {
-	drm_i915_private_t *dev_priv = ring->dev->dev_private;
+	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 
 	/* No command tables indicates a platform without parsing */
 	if (!ring->cmd_tables)