Move getProperty calls to utility

Having all dbus calls run through the same utility reduces the amount of
generated code, and more importantly, gives us a place where we can log
the requests and responses to help with debugging.

Tested: Redfish service validator passes.

Change-Id: Ic1bf45130b5069cd57f7af26e12c8d3159c87c67
Signed-off-by: Ed Tanous <etanous@nvidia.com>
diff --git a/redfish-core/lib/redfish_util.hpp b/redfish-core/lib/redfish_util.hpp
index 4164e10..117f972 100644
--- a/redfish-core/lib/redfish_util.hpp
+++ b/redfish-core/lib/redfish_util.hpp
@@ -208,7 +208,7 @@
 template <typename CallbackFunc>
 void getPortNumber(const std::string& socketPath, CallbackFunc&& callback)
 {
-    sdbusplus::asio::getProperty<
+    dbus::utility::getProperty<
         std::vector<std::tuple<std::string, std::string>>>(
         *crow::connections::systemBus, "org.freedesktop.systemd1", socketPath,
         "org.freedesktop.systemd1.Socket", "Listen",