drm: via driver update to CVS version

This updates the DRM via driver to the latest CVS version, which contains
support for DMA blitting.

It also contains some whitespace and other minor fixes

From: Thomas Hellstrom <unichrome@shipmail.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/via_drm.h b/drivers/char/drm/via_drm.h
index 556d807..47f0b5b 100644
--- a/drivers/char/drm/via_drm.h
+++ b/drivers/char/drm/via_drm.h
@@ -200,7 +200,7 @@
 	unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS];
 	unsigned int XvMCCtxNoGrabbed;	/* Last context to hold decoder */
 
-	/* Used bt the 3d driver only at this point, for pageflipping:
+	/* Used by the 3d driver only at this point, for pageflipping:
 	 */
 	unsigned int pfCurrentOffset;
 } drm_via_sarea_t;