ARM: dts: qcom: fill missing power-domain-cells for gcc controllers

Add missing #power-domain-cells to the clock controllers.

Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220108202719.82424-1-david@ixit.cz