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

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I071c28eafe33ac8e2a44010d23a2bd5d8731b540
diff --git a/extensions/openpower-pels/dbus_types.hpp b/extensions/openpower-pels/dbus_types.hpp
index d263958..1a95c8b 100644
--- a/extensions/openpower-pels/dbus_types.hpp
+++ b/extensions/openpower-pels/dbus_types.hpp
@@ -9,8 +9,7 @@
 namespace openpower::pels
 {
 
-using DBusValue =
-    sdbusplus::message::variant<std::string, bool, std::vector<uint8_t>>;
+using DBusValue = std::variant<std::string, bool, std::vector<uint8_t>>;
 using DBusProperty = std::string;
 using DBusInterface = std::string;
 using DBusService = std::string;