MLK-15047-1 media: platform: mxc v4l2 capture: add MXC_MIPI_CSI2 dependency

MLK-15047-1 media: platform: mxc v4l2 capture: add MXC_MIPI_CSI2 dependency

Fixes the following build errors:

ERROR: "mipi_csi2_reset" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_set_datatype" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_enable" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_dphy_status" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_disable" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_set_lanes" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_get_status" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_get_info" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!
ERROR: "mipi_csi2_get_error1" [drivers/media/platform/mxc/capture/ov5640_camera_mipi_int.ko] undefined!

Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>