video: s3c-fb: add the bit definitions for VIDCON0_VIDOUT_WB

This patch adds the bit definitions for VIDCON0_VIDOUT_WB.
These definitions are used to support writeback for RGB and
i80 interface. Also, output format of writeback is YUV444.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
diff --git a/include/video/samsung_fimd.h b/include/video/samsung_fimd.h
index 634b18b..e755448 100644
--- a/include/video/samsung_fimd.h
+++ b/include/video/samsung_fimd.h
@@ -24,12 +24,15 @@
 
 #define VIDCON0					(0x00)
 #define VIDCON0_INTERLACE			(1 << 29)
-#define VIDCON0_VIDOUT_MASK			(0x3 << 26)
+#define VIDCON0_VIDOUT_MASK			(0x7 << 26)
 #define VIDCON0_VIDOUT_SHIFT			(26)
 #define VIDCON0_VIDOUT_RGB			(0x0 << 26)
 #define VIDCON0_VIDOUT_TV			(0x1 << 26)
 #define VIDCON0_VIDOUT_I80_LDI0			(0x2 << 26)
 #define VIDCON0_VIDOUT_I80_LDI1			(0x3 << 26)
+#define VIDCON0_VIDOUT_WB_RGB			(0x4 << 26)
+#define VIDCON0_VIDOUT_WB_I80_LDI0		(0x6 << 26)
+#define VIDCON0_VIDOUT_WB_I80_LDI1		(0x7 << 26)
 
 #define VIDCON0_L1_DATA_MASK			(0x7 << 23)
 #define VIDCON0_L1_DATA_SHIFT			(23)