drm/imx: fix typo in ipu_plane_formats[]

The BGRA8888 appears twice in the ipu_plane_formats[] list. The
duplicate should be BGRX8888.

The original commit is:

commit 59d6b7189a96 ("drm/imx: ipuv3-plane: enable support for RGBX8888
and RGBA8888 pixel formats")

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Fixes: 59d6b7189a96 ("drm/imx: ipuv3-plane: enable support for RGBX8888 and RGBA8888 pixel")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

drivers/gpu/drm/imx/ipuv3-plane.c

@@ -54,7 +54,7 @@ static const uint32_t ipu_plane_formats[] = {
 	DRM_FORMAT_RGBA8888,
 	DRM_FORMAT_RGBX8888,
 	DRM_FORMAT_BGRA8888,
-	DRM_FORMAT_BGRA8888,
+	DRM_FORMAT_BGRX8888,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
 	DRM_FORMAT_YUYV,