dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: add missing x1e80100 pipediv2 clocks

The x1e80100 QMP PCIe PHYs all have a pipediv2 clock that needs to be
described.

Fixes: e94b29f2 ("dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the X1E80100 QMP PCIe PHYs")
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240916082307.29393-2-johan+linaro@kernel.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>