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: I8e2242adb79be342562c9b7f3d2153dfdf578085
diff --git a/oem/ibm/libpldmresponder/oem_ibm_handler.cpp b/oem/ibm/libpldmresponder/oem_ibm_handler.cpp
index 1b803dd..0881869 100644
--- a/oem/ibm/libpldmresponder/oem_ibm_handler.cpp
+++ b/oem/ibm/libpldmresponder/oem_ibm_handler.cpp
@@ -439,11 +439,11 @@
     }
 
     using namespace sdbusplus::bus::match::rules;
-    chassisOffMatch = std::make_unique<sdbusplus::bus::match::match>(
+    chassisOffMatch = std::make_unique<sdbusplus::bus::match_t>(
         pldm::utils::DBusHandler::getBus(),
         propertiesChanged("/xyz/openbmc_project/state/chassis0",
                           "xyz.openbmc_project.State.Chassis"),
-        [this](sdbusplus::message::message& msg) {
+        [this](sdbusplus::message_t& msg) {
             DbusChangedProps props{};
             std::string intf;
             msg.read(intf, props);