arm64: dts: qcom: q[dr]u1000: correct sleep clock frequency

The Q[DR]U1000 platforms use PM8150 to provide sleep clock. According to
the documentation, that clock has 32.7645 kHz frequency. Correct the
sleep clock definition.

Fixes: d1f2cfe2 ("arm64: dts: qcom: Add base QDU1000/QRU1000 IDP DTs")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241224-fix-board-clocks-v3-5-e9b08fbeadd3@linaro.org


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