The last user of this function is gone, so remove it. The clock API
should now be used to get clock rates.
Signed-off-by: NRobert Jarzmik <robert.jarzmik@free.fr>
Acked-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: NRussell King <rmk+kernel@armlinux.org.uk>