style: member functions should be lower camel

Rename member functions to be lower camel instead of snake case.

Change-Id: Ib227fd3dadb6d9607290277205223a4324cd4ce5
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/dbus/util.cpp b/dbus/util.cpp
index cdc4bb9..d39f176 100644
--- a/dbus/util.cpp
+++ b/dbus/util.cpp
@@ -11,7 +11,7 @@
 /* TODO(venture): Basically all phosphor apps need this, maybe it should be a
  * part of sdbusplus.  There is an old version in libmapper.
  */
-std::string DbusHelper::GetService(sdbusplus::bus::bus& bus,
+std::string DbusHelper::getService(sdbusplus::bus::bus& bus,
                                    const std::string& intf,
                                    const std::string& path)
 {
@@ -40,7 +40,7 @@
     return response.begin()->first;
 }
 
-void DbusHelper::GetProperties(sdbusplus::bus::bus& bus,
+void DbusHelper::getProperties(sdbusplus::bus::bus& bus,
                                const std::string& service,
                                const std::string& path,
                                struct SensorProperties* prop)
@@ -90,7 +90,7 @@
     return;
 }
 
-bool DbusHelper::ThresholdsAsserted(sdbusplus::bus::bus& bus,
+bool DbusHelper::thresholdsAsserted(sdbusplus::bus::bus& bus,
                                     const std::string& service,
                                     const std::string& path)
 {