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: I29672cb229bd07022b00f52105ac1d50ecacca62
diff --git a/procedures/phal/start_host.cpp b/procedures/phal/start_host.cpp
index fc30ecc..2be25f4 100644
--- a/procedures/phal/start_host.cpp
+++ b/procedures/phal/start_host.cpp
@@ -118,7 +118,7 @@
         auto result = bus.call(properties);
         result.read(val);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Get HW Keyword read from VINI Failed");
         throw std::runtime_error("Get HW Keyword read from VINI Failed");
@@ -264,7 +264,7 @@
                                                {{"REASON_FOR_PEL", trace}});
         }
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         const auto trace{fmt::format(
             "Exception [{}] to get the HardwareIsolation policy "