conf change: rename zone variables

Rename the zone variables to make them camelCase as a step towards
making all configuration variables camelCase for consistency.

Note: This patchset requires a change to your yaml configuration if
you're using it, or libconfig if you're using it.

Change-Id: If9cf1d7eb8227d305a1625275f2f7082c0d6905a
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pid/builderconfig.cpp b/pid/builderconfig.cpp
index f85e1c1..652724d 100644
--- a/pid/builderconfig.cpp
+++ b/pid/builderconfig.cpp
@@ -76,9 +76,9 @@
 
             zoneSettings.lookupValue("id", id);
 
-            thisZoneConfig.minthermalrpm = zoneSettings.lookup("minthermalrpm");
-            thisZoneConfig.failsafepercent =
-                zoneSettings.lookup("failsafepercent");
+            thisZoneConfig.minThermalRpm = zoneSettings.lookup("minThermalRpm");
+            thisZoneConfig.failsafePercent =
+                zoneSettings.lookup("failsafePercent");
 
             const Setting& pids = zoneSettings["pids"];
             int pidCount = pids.getLength();