fix compile issues
work with CONFIG_FB_MXC_TRULY_WVGA_SYNC_PANEL_MODULE as well
export symbol for mxc_cea_mode so that it can be used in modules as well
add missing license tag
export symbol mipi_dsi_pkt_read & mipi_dsi_pkt_write so that it can be
used in modules
export mxc_hdmi_disp_id & mxc_hdmi_ipu_id so that it can be used in
modules