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/pid/fancontroller.cpp b/pid/fancontroller.cpp
index 3a56f95..ce08185 100644
--- a/pid/fancontroller.cpp
+++ b/pid/fancontroller.cpp
@@ -34,7 +34,7 @@
     auto fan = std::make_unique<FanController>(id, inputs, owner);
     ec::pid_info_t* info = fan->getPIDInfo();
 
-    InitializePIDStruct(info, initial);
+    initializePIDStruct(info, initial);
 
     return fan;
 }