arm64: dts: qcom: x1e80100: fix PCIe4 and PCIe6a PHY clocks

Add the missing clkref enable and pipediv2 clocks to the PCIe4 and
PCIe6a PHYs.

Fixes: 5eb83fc1 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
Cc: stable@vger.kernel.org	# 6.9
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konradybcio@kernel.org>
Link: https://lore.kernel.org/r/20240916082307.29393-3-johan+linaro@kernel.org


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