[media] v4l: Add missing 12 bits bayer media bus formats

Add codes and documentation for the following media bus formats:

- V4L2_MBUS_FMT_SGBRG12_1X12
- V4L2_MBUS_FMT_SGRBG12_1X12
- V4L2_MBUS_FMT_SRGGB12_1X12

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/linux/v4l2-mediabus.h b/include/linux/v4l2-mediabus.h
index 5c64924..7054a7a 100644
--- a/include/linux/v4l2-mediabus.h
+++ b/include/linux/v4l2-mediabus.h
@@ -67,7 +67,7 @@
 	V4L2_MBUS_FMT_YUYV10_1X20 = 0x200d,
 	V4L2_MBUS_FMT_YVYU10_1X20 = 0x200e,
 
-	/* Bayer - next is 0x3010 */
+	/* Bayer - next is 0x3013 */
 	V4L2_MBUS_FMT_SBGGR8_1X8 = 0x3001,
 	V4L2_MBUS_FMT_SGRBG8_1X8 = 0x3002,
 	V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8 = 0x300b,
@@ -83,6 +83,9 @@
 	V4L2_MBUS_FMT_SGRBG10_1X10 = 0x300a,
 	V4L2_MBUS_FMT_SRGGB10_1X10 = 0x300f,
 	V4L2_MBUS_FMT_SBGGR12_1X12 = 0x3008,
+	V4L2_MBUS_FMT_SGBRG12_1X12 = 0x3010,
+	V4L2_MBUS_FMT_SGRBG12_1X12 = 0x3011,
+	V4L2_MBUS_FMT_SRGGB12_1X12 = 0x3012,
 };
 
 /**