mxc_mipi_csi2: remove ipu/csi/v_channel, mipi camera will select this
imx6qdl-sabrelite.dtsi: remove ipu/csi/v_channel from mipi_csi
mxc_v4l2_capture.h: remove useless checks in cam_mipi_csi2_disable
ipu_prp_vf_sdc: define err2 to fix compile error, squash with mipi: reduce code
mxc_mipi_csi2: have mipi drivers specify lane in mipi_csi2_set_lanes