arm64: dts: qcom: sm8650: correct sleep clock frequency

arm64: dts: qcom: sm8650: correct sleep clock frequency

The SM8650 platform uses PMK8550 to provide sleep clock. According to the
documentation, that clock has 32.7645 kHz frequency. Correct the sleep
clock definition.

Fixes: 6fbdb3c1fac7 ("arm64: dts: qcom: sm8650: add initial SM8650 MTP dts")
Fixes: a834911d50c1 ("arm64: dts: qcom: sm8650: add initial SM8650 QRD dts")
Fixes: 01061441029e ("arm64: dts: qcom: sm8650: add support for the SM8650-HDK board")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241224-fix-board-clocks-v3-17-e9b08fbeadd3@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>