arm64: dts: qcom: qcm2290: declare VLS CLAMP register for USB3 PHY

arm64: dts: qcom: qcm2290: declare VLS CLAMP register for USB3 PHY

The USB3 PHY on the QCM2290 platform doesn't have built-in
PCS_MISC_CLAMP_ENABLE register. Instead clamping is handled separately
via the register in the TCSR space. Declare corresponding register.

Fixes: 0c55f6229bc3 ("arm64: dts: qcom: qcm2290: Add USB3 PHY")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240117-usbc-phy-vls-clamp-v2-5-a950c223f10f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>