Add clang-tidy file

This commit implements a clang-tidy file, and makes
some changes to get it to pass.
Most changes are naming or mechanical in nature.

Tested:
CI passed in docker.

Change-Id: I1f9acf546542c839b8f9facb5b8beff37c0d5909
Signed-off-by: Pavithra Barithaya <pavithra.b@ibm.com>
diff --git a/main.cpp b/main.cpp
index 82111b6..a773304 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,12 +22,12 @@
     bus.attach_event(sdEvent.get(), SD_EVENT_PRIORITY_NORMAL);
 
     // Add sdbusplus ObjectManager
-    sdbusplus::server::manager_t bmcEpochObjManager(bus, OBJPATH_BMC);
+    sdbusplus::server::manager_t bmcEpochObjManager(bus, objpathBmc);
 
     phosphor::time::Manager manager(bus);
-    phosphor::time::BmcEpoch bmc(bus, OBJPATH_BMC, manager);
+    phosphor::time::BmcEpoch bmc(bus, objpathBmc, manager);
 
-    bus.request_name(BUSNAME);
+    bus.request_name(busname);
 
     // Start event loop for all sd-bus events and timer event
     sd_event_loop(bus.get_event());