arm64: dts: qcom: Add SM7125 device tree

The Snapdragon 720G (sm7125) is software-wise very similar to the
Snapdragon 7c with minor differences in clock speeds and as added here,
it uses the Kryo 465 instead of Kryo 468.

Signed-off-by: David Wronek <davidwronek@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230824091737.75813-4-davidwronek@gmail.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>