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

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I2507d27d0dd7672a2a91c7e4f82a48229e9cecac
diff --git a/host-interface.cpp b/host-interface.cpp
index ca33b1e..5aa7806 100644
--- a/host-interface.cpp
+++ b/host-interface.cpp
@@ -26,8 +26,7 @@
     {IPMI_CMD_OCC_RESET, Base::Host::Command::OCCReset}};
 
 // Called at user request
-void Host::execute(Base::Host::Command command,
-                   sdbusplus::message::variant<uint8_t> data)
+void Host::execute(Base::Host::Command command, std::variant<uint8_t> data)
 {
     using namespace phosphor::logging;