clk/qcom: add gdsc_enable helper

GDSCs are per-domain switches which are used to toggle power and clocks
to an entire subsystem. They live under the GCC block and might need to
be enabled before certain clocks, so handle them as part of the clock
driver.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
2 files changed