style: function names should be lower camel

Fix function names to be lower camel.

Change-Id: I145e1f4c03d7740bc1525dcffbdce2f78fd61075
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/dbus/util.cpp b/dbus/util.cpp
index 080f39a..23f06fd 100644
--- a/dbus/util.cpp
+++ b/dbus/util.cpp
@@ -143,7 +143,7 @@
     return asserted;
 }
 
-std::string GetSensorPath(const std::string& type, const std::string& id)
+std::string getSensorPath(const std::string& type, const std::string& id)
 {
     std::string layer = type;
     if (type == "fan")
@@ -162,16 +162,16 @@
     return std::string("/xyz/openbmc_project/sensors/" + layer + "/" + id);
 }
 
-std::string GetMatch(const std::string& type, const std::string& id)
+std::string getMatch(const std::string& type, const std::string& id)
 {
     return std::string("type='signal',"
                        "interface='org.freedesktop.DBus.Properties',"
                        "member='PropertiesChanged',"
                        "path='" +
-                       GetSensorPath(type, id) + "'");
+                       getSensorPath(type, id) + "'");
 }
 
-bool ValidType(const std::string& type)
+bool validType(const std::string& type)
 {
     static std::set<std::string> valid = {"fan", "temp"};
     return (valid.find(type) != valid.end());