[media] v4l2-ctrls/videodev2.h: add u8 and u16 types

These are needed by the upcoming patches for the motion detection
matrices.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 7915b1125..c630345 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -39,12 +39,16 @@
 /** union v4l2_ctrl_ptr - A pointer to a control value.
  * @p_s32:	Pointer to a 32-bit signed value.
  * @p_s64:	Pointer to a 64-bit signed value.
+ * @p_u8:	Pointer to a 8-bit unsigned value.
+ * @p_u16:	Pointer to a 16-bit unsigned value.
  * @p_char:	Pointer to a string.
  * @p:		Pointer to a compound value.
  */
 union v4l2_ctrl_ptr {
 	s32 *p_s32;
 	s64 *p_s64;
+	u8 *p_u8;
+	u16 *p_u16;
 	char *p_char;
 	void *p;
 };