arm64: dts: qcom: ipq9574: Use assigned-clock-rates for QUP I2C core clks

Use assigned-clock-rates property for configuring the QUP I2C core clocks
to operate at nominal frequency.

Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
Link: https://lore.kernel.org/r/20230615084841.12375-1-quic_devipriy@quicinc.com


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