arm64: dts: qcom: x1e80100-qcp: fix PCIe4 PHY supply

arm64: dts: qcom: x1e80100-qcp: fix PCIe4 PHY supply

The PCIe4 PHY is powered by vreg_l3i (not vreg_l3j) on the CRD so assume
the same applies to the QCP.

Fixes: f9a9c11471da ("arm64: dts: qcom: x1e80100-qcp: Enable more support")
Cc: stable@vger.kernel.org      # 6.9
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240722095459.27437-2-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>