+//\r
+// In UEFI 2.6 spec,this guid value is duplicate with\r
+// EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID. Now update this guid value to\r
+// avoid the duplicate guid issue. So its value is not consistent with\r
+// UEFI spec definition now. We have proposed to update UEFI spec to\r
+// use this new guid. After new spec released, we will remove this\r
+// comments.\r
+//\r