media: sun4i: Make sun4i_csi_formats static

The sun4i_csi_formats array is only used in sun4i_v4l2.c, so it doesn't
make any sense to have it !static.

[Sakari Ailus: const static -> static const]
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c

@@ -18,7 +18,7 @@
 #define CSI_DEFAULT_WIDTH	640
 #define CSI_DEFAULT_HEIGHT	480
 
-const struct sun4i_csi_format sun4i_csi_formats[] = {
+static const struct sun4i_csi_format sun4i_csi_formats[] = {
 	/* YUV422 inputs */
 	{
 		.mbus		= MEDIA_BUS_FMT_YUYV8_2X8,