[PATCH] m68knommu: add 5208 ColdFire pit timer support

Add support for the PIT timer used in the 5208 ColdFire fmaily.
Patch originally from Matt Wadell (from code originally modified by
Mike Lavender).

Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>