media: staging: media: imx: imx7-media-csi: Increase video mem limit

Some high resolution (like Sony IMX492 47Mpix) sensors requre large amount space
for buffering.  64MB is far from sufficient so this patch increases the limit to
512MB.
Signed-off-by: Petko Manolov <petko.manolov@konsulko.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/imx/imx7-media-csi.c

@@ -160,7 +160,7 @@
 
 #define IMX7_CSI_VIDEO_NAME		"imx-capture"
 /* In bytes, per queue */
-#define IMX7_CSI_VIDEO_MEM_LIMIT	SZ_64M
+#define IMX7_CSI_VIDEO_MEM_LIMIT	SZ_512M
 #define IMX7_CSI_VIDEO_EOF_TIMEOUT	2000
 
 #define IMX7_CSI_DEF_MBUS_CODE		MEDIA_BUS_FMT_UYVY8_2X8