drm/msm: Rename async to nonblock.

The async name is deprecated and should be changed to nonblocking.

Also comments seem to be a bit outdated, as it looks like
nonblocking commit is supported by msm.

Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461679905-30177-6-git-send-email-maarten.lankhorst@linux.intel.com
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 870dbe5..0b8b0e6 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -174,7 +174,7 @@
 int msm_atomic_check(struct drm_device *dev,
 		     struct drm_atomic_state *state);
 int msm_atomic_commit(struct drm_device *dev,
-		struct drm_atomic_state *state, bool async);
+		struct drm_atomic_state *state, bool nonblock);
 
 int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu);