treewide: Add clang-tidy

Change-Id: I1aab00b0ff8c016650225fcd1c83678a91808941
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/network_manager.cpp b/src/network_manager.cpp
index 26d3496..7db5f7f 100644
--- a/src/network_manager.cpp
+++ b/src/network_manager.cpp
@@ -20,14 +20,6 @@
 
 #include <filesystem>
 
-constexpr char SYSTEMD_BUSNAME[] = "org.freedesktop.systemd1";
-constexpr char SYSTEMD_PATH[] = "/org/freedesktop/systemd1";
-constexpr char SYSTEMD_INTERFACE[] = "org.freedesktop.systemd1.Manager";
-
-constexpr char NETWORKD_BUSNAME[] = "org.freedesktop.network1";
-constexpr char NETWORKD_PATH[] = "/org/freedesktop/network1";
-constexpr char NETWORKD_INTERFACE[] = "org.freedesktop.network1.Manager";
-
 namespace phosphor
 {
 namespace network
@@ -95,8 +87,9 @@
         try
         {
             bus.get()
-                .new_method_call(NETWORKD_BUSNAME, NETWORKD_PATH,
-                                 NETWORKD_INTERFACE, "Reload")
+                .new_method_call("org.freedesktop.network1",
+                                 "/org/freedesktop/network1",
+                                 "org.freedesktop.network1.Manager", "Reload")
                 .call();
             lg2::info("Reloaded systemd-networkd");
         }