s/minThermalRPM/minThermalOutput

The minThermalRPM is only an RPM by the fact that
that is the units of the PID. As the PID units can
be anything, change this to minThermalOutput to allow
for different units (i.e. percent).

Change-Id: Ic53fef1159ade5a413e5d519d407947f3023d8e3
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/conf.hpp b/conf.hpp
index 8a6170d..14e1cc9 100644
--- a/conf.hpp
+++ b/conf.hpp
@@ -51,7 +51,7 @@
 struct ZoneConfig
 {
     /* The minimum RPM value we would ever want. */
-    double minThermalRpm;
+    double minThermalOutput;
 
     /* If the sensors are in fail-safe mode, this is the percentage to use. */
     double failsafePercent;