sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I46a5eec210002af84239af74a93c830b1d4a13f1
diff --git a/redfish-core/lib/processor.hpp b/redfish-core/lib/processor.hpp
index a7f8a41..becb794 100644
--- a/redfish-core/lib/processor.hpp
+++ b/redfish-core/lib/processor.hpp
@@ -929,7 +929,7 @@
     handleAppliedConfigResponse(const std::shared_ptr<bmcweb::AsyncResp>& resp,
                                 const std::string& setPropVal,
                                 boost::system::error_code ec,
-                                const sdbusplus::message::message& msg)
+                                const sdbusplus::message_t& msg)
 {
     if (!ec)
     {
@@ -1035,7 +1035,7 @@
     // Set the property, with handler to check error responses
     crow::connections::systemBus->async_method_call(
         [resp, appliedConfigUri](const boost::system::error_code ec,
-                                 const sdbusplus::message::message& msg) {
+                                 const sdbusplus::message_t& msg) {
         handleAppliedConfigResponse(resp, appliedConfigUri, ec, msg);
         },
         *controlService, cpuObjectPath, "org.freedesktop.DBus.Properties",