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: I7ae6214461bdf45c1a21fb702cc8bf5578d827c6
diff --git a/dump_manager_bmc.hpp b/dump_manager_bmc.hpp
index ddc094ae..6c1910f 100644
--- a/dump_manager_bmc.hpp
+++ b/dump_manager_bmc.hpp
@@ -22,7 +22,7 @@
 
 } // namespace internal
 
-using CreateIface = sdbusplus::server::object::object<
+using CreateIface = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Dump::server::Create>;
 
 using UserMap = phosphor::dump::inotify::UserMap;
@@ -66,7 +66,7 @@
      *  @param[in] baseEntryPath - Base path for dump entry.
      *  @param[in] filePath - Path where the dumps are stored.
      */
-    Manager(sdbusplus::bus::bus& bus, const EventPtr& event, const char* path,
+    Manager(sdbusplus::bus_t& bus, const EventPtr& event, const char* path,
             const std::string& baseEntryPath, const char* filePath) :
         CreateIface(bus, path),
         phosphor::dump::Manager(bus, path, baseEntryPath),