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/scripts/zone-example.yaml b/scripts/zone-example.yaml
index ef422a5..8fecf71 100644
--- a/scripts/zone-example.yaml
+++ b/scripts/zone-example.yaml
@@ -1,3 +1,3 @@
 0x01:
-  minthermalrpm: 3000.0
-  failsafepercent: 90.0
+  minThermalRpm: 3000.0
+  failsafePercent: 90.0