Add ep pcie dtsi node for pcie0 controller found on sa8775p platform.
It supports gen4 and x2 link width. Limiting the speed to Gen3 due to
stability issues.
Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1714492540-15419-4-git-send-email-quic_msarkar@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>