CLOCK_TICK_RATE should give the underlying frequency of the tick timer,
to make ntp happy.  For Coldfires, that's the main clock.
Signed-off-by: NPhilippe De Muyter <phdm@macqel.be>
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>