arm64: dts: qcom: sm8350: Describe GCC dependency clocks

Add all the clock names that the GCC driver expects to get via DT, so that the
clock handles can be filled as the development progresses.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211114012755.112226-8-konrad.dybcio@somainline.org