media: imx: enable V4L2_PIX_FMT_XBGR32, _BGRX32, and _RGBX32

Now that proper V4L2 pixel formats exist for all 32-bit RGB
permutations, drop support for the poorly defined legacy format
V4L2_PIX_FMT_BGR32.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/imx/imx-media-utils.c

@@ -184,7 +184,15 @@ static const struct imx_media_pixfmt rgb_formats[] = {
 		.cs     = IPUV3_COLORSPACE_RGB,
 		.bpp    = 24,
 	}, {
-		.fourcc	= V4L2_PIX_FMT_BGR32,
+		.fourcc	= V4L2_PIX_FMT_XBGR32,
+		.cs     = IPUV3_COLORSPACE_RGB,
+		.bpp    = 32,
+	}, {
+		.fourcc	= V4L2_PIX_FMT_BGRX32,
+		.cs     = IPUV3_COLORSPACE_RGB,
+		.bpp    = 32,
+	}, {
+		.fourcc	= V4L2_PIX_FMT_RGBX32,
 		.cs     = IPUV3_COLORSPACE_RGB,
 		.bpp    = 32,
 	},