Add support for the Freescale 5208 processor UART's to the common
ColdFire serial port code.

Patch originally from Matt Waddel (from code originally written by
Mike Lavender).
Signed-off-by: NGreg Ungerer <gerg@uclinux.com>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>