dt-bindings: clock: separate bindings for MSM8916 GCC device

Separate bindings for GCC on Qualcomm MSM8916 platforms. This adds new
clocks/clock-names properties to be used for clock links.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220704172453.838303-3-dmitry.baryshkov@linaro.org