media: imx-csi: fix burst size

Setting a burst size of "8" doesn't work for IMX219 with 8-bit bayer,
but a burst size of "16" does.  Fix this.
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>
Acked-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

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

@@ -337,7 +337,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
 	case V4L2_PIX_FMT_SGBRG8:
 	case V4L2_PIX_FMT_SGRBG8:
 	case V4L2_PIX_FMT_SRGGB8:
-		burst_size = 8;
+		burst_size = 16;
 		passthrough = true;
 		passthrough_bits = 8;
 		break;