Add "Steps per hour" system setting (#211)

* Implements a steps per hour (global) setting that gets returned by PTM GetStepHistory

* Make setting label text clearer

* Add setting to SDL frontend

* Add setting to Android (no UI)

* Remove IntSetting enum value

* Follow convension in android default ini

src/citra/config.cpp

@@ -232,6 +232,7 @@ void Config::ReadValues() {
     ReadSetting("System", Settings::values.init_ticks_override);
     ReadSetting("System", Settings::values.plugin_loader_enabled);
     ReadSetting("System", Settings::values.allow_plugin_loader);
+    ReadSetting("System", Settings::values.steps_per_hour);
 
     {
         constexpr const char* default_init_time_offset = "0 00:00:00";

src/citra/default_ini.h

@@ -319,6 +319,10 @@ init_ticks_type =
 # Defaults to 0.
 init_ticks_override =
 
+# Number of steps per hour reported by the pedometer.
+# Defaults to 0.
+steps_per_hour =
+
 [Camera]
 # Which camera engine to use for the right outer camera
 # blank (default): a dummy camera that always returns black image