dt-bindings: clk: qcom: Add QCM2290 Global Clock Controller bindings

It adds device tree bindings for QCM2290 Global Clock Controller.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210919023308.24498-2-shawn.guo@linaro.org


Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>