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: I3be9475e7639ae8f52bceb1d5ff843a8dffde0a5
diff --git a/watchdog/watchdog_dbus.cpp b/watchdog/watchdog_dbus.cpp
index ea1ea21..7a4c6d6 100644
--- a/watchdog/watchdog_dbus.cpp
+++ b/watchdog/watchdog_dbus.cpp
@@ -15,7 +15,7 @@
 using namespace phosphor::logging;
 
 int dbusMethod(const std::string& path, const std::string& interface,
-               const std::string& function, sdbusplus::message::message& method,
+               const std::string& function, sdbusplus::message_t& method,
                const std::string& extended)
 {
     int rc = RC_DBUS_ERROR; // assume error
@@ -77,7 +77,7 @@
             log<level::INFO>(traceMsgIface.c_str());
         }
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in dbusMethod", entry("ERROR=%s", e.what()));
     }
@@ -99,7 +99,7 @@
     constexpr auto interface = "org.open_power.Logging.PEL";
     constexpr auto function = "CreatePELWithFFDCFiles";
 
-    sdbusplus::message::message method;
+    sdbusplus::message_t method;
 
     if (0 == dbusMethod(pathLogging, interface, function, method))
     {
@@ -119,7 +119,7 @@
             response.read(reply);
             plid = std::get<1>(reply); // platform log id is tuple "second"
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             log<level::ERR>("Error in createPel CreatePELWithFFDCFiles",
                             entry("ERROR=%s", e.what()));
diff --git a/watchdog/watchdog_dbus.hpp b/watchdog/watchdog_dbus.hpp
index f9568f7..88d2ca6 100644
--- a/watchdog/watchdog_dbus.hpp
+++ b/watchdog/watchdog_dbus.hpp
@@ -33,7 +33,7 @@
  *
  **/
 int dbusMethod(const std::string& path, const std::string& interface,
-               const std::string& function, sdbusplus::message::message& method,
+               const std::string& function, sdbusplus::message_t& method,
                const std::string& extended = "");
 
 /**
diff --git a/watchdog/watchdog_handler.cpp b/watchdog/watchdog_handler.cpp
index cb22446..a0641df 100644
--- a/watchdog/watchdog_handler.cpp
+++ b/watchdog/watchdog_handler.cpp
@@ -22,7 +22,7 @@
  * @param progressStatus - dump progress status
  * @return Always non-zero indicating no error, no cascading callbacks
  */
-uint dumpStatusChanged(sdbusplus::message::message& msg, std::string path,
+uint dumpStatusChanged(sdbusplus::message_t& msg, std::string path,
                        DumpProgressStatus& progressStatus)
 {
     // reply (msg) will be a property change message
@@ -125,7 +125,7 @@
     constexpr auto interface = "xyz.openbmc_project.Dump.Create";
     constexpr auto function = "CreateDump";
 
-    sdbusplus::message::message method;
+    sdbusplus::message_t method;
 
     if (0 == dbusMethod(path, interface, function, method))
     {
@@ -165,7 +165,7 @@
             // monitor dump progress
             monitorDump(reply, dumpParameters.timeout);
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             constexpr auto ERROR_DUMP_DISABLED =
                 "xyz.openbmc_project.Dump.Create.Error.Disabled";