celox: remove/resync

 - remove CONFIG_FB_MSM_LCDC_DSUB
 - resync bus scale pdata with caf

Change-Id: I6dce9ff737003acb6281415d9a6d09ef8f64b63c
celox: introduce a blank header

Change-Id: I5d4749147484ea8d06fcc6e47f85156bd12c8154
celox: move defines to the new header

Change-Id: Ifefa86e2433f82f8cec485124699175848bcfb62
celox: move platform_data definitions out of the board file

 - move the gp2a/taos definitions to a common ground for both celox and quincy

Change-Id: Ib34e26b81132251233f238db93f03b1ef7a5f20c