media: imx: imx7-media-csi: Don't double-enable the CSI

The CSI is enabled at the end of imx7_csi_sw_reset(), called from
imx7_csi_enable(), as well as at the end of imx7_csi_enable(). The
latter is enough, remove the former.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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

@@ -331,8 +331,6 @@ static void imx7_csi_sw_reset(struct imx7_csi *csi)
 	usleep_range(2000, 3000);
 
 	imx7_csi_irq_clear(csi);
-
-	imx7_csi_hw_enable(csi);
 }
 
 static void imx7_csi_update_buf(struct imx7_csi *csi, dma_addr_t phys,