OMAP: DSS2: Add new color formats for OMAP4

Add new color formats supported by OMAP4: NV12, RGBA16, RGBX16,
ARGB16_1555, XRGB16_1555.
NV12 color format is defined here, its support in DSS will be added separately.

Signed-off-by: Amber Jain <amber@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index ee38ca2..b40fe3d 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -775,10 +775,17 @@
 		}
 
 		switch (c->color_mode) {
+		case OMAP_DSS_COLOR_NV12:
+			bpp = 8;
+			break;
 		case OMAP_DSS_COLOR_RGB16:
 		case OMAP_DSS_COLOR_ARGB16:
 		case OMAP_DSS_COLOR_YUV2:
 		case OMAP_DSS_COLOR_UYVY:
+		case OMAP_DSS_COLOR_RGBA16:
+		case OMAP_DSS_COLOR_RGBX16:
+		case OMAP_DSS_COLOR_ARGB16_1555:
+		case OMAP_DSS_COLOR_XRGB16_1555:
 			bpp = 16;
 			break;