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: I5055fac459cb021ea94686e058e233bcc476a32d
diff --git a/subprojects/ncsid/src/net_config.cpp b/subprojects/ncsid/src/net_config.cpp
index 3b632c3..5b5ae93 100644
--- a/subprojects/ncsid/src/net_config.cpp
+++ b/subprojects/ncsid/src/net_config.cpp
@@ -75,8 +75,8 @@
     bus(sdbusplus::bus::new_default())
 {}
 
-sdbusplus::message::message
-    PhosphorConfig::new_networkd_call(sdbusplus::bus::bus* dbus, bool get) const
+sdbusplus::message_t PhosphorConfig::new_networkd_call(sdbusplus::bus_t* dbus,
+                                                       bool get) const
 {
     auto networkd_call =
         dbus->new_method_call(NETWORK_SERVICE, iface_path_.c_str(),
diff --git a/subprojects/ncsid/src/net_config.h b/subprojects/ncsid/src/net_config.h
index 11ec90e..7aeb18b 100644
--- a/subprojects/ncsid/src/net_config.h
+++ b/subprojects/ncsid/src/net_config.h
@@ -72,8 +72,8 @@
     virtual int set_nic_hostless(bool is_nic_hostless) override;
 
   private:
-    sdbusplus::message::message new_networkd_call(sdbusplus::bus::bus* dbus,
-                                                  bool get = false) const;
+    sdbusplus::message_t new_networkd_call(sdbusplus::bus_t* dbus,
+                                           bool get = false) const;
 
     const std::string iface_name_;
     const std::string iface_path_;
@@ -95,7 +95,7 @@
 
     // Holds a reference to the bus for issuing commands to update network
     // config
-    sdbusplus::bus::bus bus;
+    sdbusplus::bus_t bus;
 };
 
 } // namespace net