arm64: dts: qcom: sm4450: correct sleep clock frequency

[ Upstream commit 158e67cf ]

The SM4450 platform uses PM4450 to provide sleep clock. According to the
documentation, that clock has 32.7645 kHz frequency. Correct the sleep
clock definition.

Fixes: 7a1fd03e ("arm64: dts: qcom: Adds base SM4450 DTSI")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241224-fix-board-clocks-v3-10-e9b08fbeadd3@linaro.org


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