clk: qcom: lahaina: Add runtime_pm support

Add runtime_pm support for clock providers which have register access
requirements that aren't always satisfied.

Stop registers clocks previously flagged as CLK_IS_CRITICAL, since doing
so means the device is always active and suspend is never called.
Instead, just enable these clocks by default in HW during probe.

Change-Id: I34cf74080745b627b3978fafd9eb8bbde4bb655e
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>