media: Add MIPI CSI-2 28 bits per pixel raw data type

Add CSI-2 data type for 28 bits per pixel data.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

include/media/mipi-csi2.h

@@ -31,6 +31,7 @@
 #define MIPI_CSI2_DT_RGB565		0x22
 #define MIPI_CSI2_DT_RGB666		0x23
 #define MIPI_CSI2_DT_RGB888		0x24
+#define MIPI_CSI2_DT_RAW28		0x26
 #define MIPI_CSI2_DT_RAW24		0x27
 #define MIPI_CSI2_DT_RAW6		0x28
 #define MIPI_CSI2_DT_RAW7		0x29