This registers a platform driver to set up all of the non-core clocks.

The clocks that have configurable rates are now registered.
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>