drm: cleanup via_ds.c includes

Remove the linux includes from via_ds.c
Signed-off-by: Dave Airlie <airlied@linux.ie>

drivers/char/drm/via_ds.c

@@ -22,14 +22,7 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/poll.h>
-#include <linux/pci.h>
-#include <asm/io.h>
+#include "drmP.h"
 
 #include "via_ds.h"
 extern unsigned int VIA_DEBUG;