sdbusplus: replace message::variant with std::variant

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ia5d0845741f1d8d4bc6fd227c6d2e6f3a8d42b2e
diff --git a/redfish-core/lib/pcie.hpp b/redfish-core/lib/pcie.hpp
index 33b8828..f8a5e29 100644
--- a/redfish-core/lib/pcie.hpp
+++ b/redfish-core/lib/pcie.hpp
@@ -135,8 +135,8 @@
         auto getPCIeDeviceCallback =
             [asyncResp,
              device](const boost::system::error_code ec,
-                     boost::container::flat_map<
-                         std::string, sdbusplus::message::variant<std::string>>
+                     boost::container::flat_map<std::string,
+                                                std::variant<std::string>>
                          &pcieDevProperties) {
                 if (ec)
                 {
@@ -231,8 +231,8 @@
         auto getPCIeDeviceCallback =
             [asyncResp,
              device](const boost::system::error_code ec,
-                     boost::container::flat_map<
-                         std::string, sdbusplus::message::variant<std::string>>
+                     boost::container::flat_map<std::string,
+                                                std::variant<std::string>>
                          &pcieDevProperties) {
                 if (ec)
                 {
@@ -319,8 +319,7 @@
                                          const boost::system::error_code ec,
                                          boost::container::flat_map<
                                              std::string,
-                                             sdbusplus::message::variant<
-                                                 std::string>>
+                                             std::variant<std::string>>
                                              &pcieDevProperties) {
             if (ec)
             {