omap: add mapphone board and uart

 * Add all kind of board files like on 3.0
 * Currently stage is around 21.10.12,
   so UARt *should* work

 * Notice; we don't need phys_offset to be
   in header files, we can set it in defconfig.
   3.4 introduced a nice feature for us :)

Signed-off-by: Blechd0se <alex.christ@hotmail.de>