ARM: dts: qcom: sdx55: Move reset and wake gpios to board dts

The reset and wake properties in the PCIe EP node belong to the board dts
as they can be customized per board design. So let's move them from SoC
dtsi.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230331145915.11653-1-manivannan.sadhasivam@linaro.org