PCIe controllers. The PCIe may works in RC or EP mode according to
RCW[HOST_AGT_PEX] setting.
+config PCIE_INTEL_FPGA
+ bool "Intel FPGA PCIe support"
+ depends on DM_PCI
+ help
+ Say Y here if you want to enable PCIe controller support on Intel
+ FPGA, example Stratix 10.
+
endif