This registers the core clocks; those which are required to calculate
the rate of the timer peripheral so the system can load a clocksource
driver.
Reviewed-by: NAndrew Jeffery <andrew@aj.id.au>
Signed-off-by: NJoel Stanley <joel@jms.id.au>
Reviewed-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>