Moved reserveSteppingBreakpoint AVR8 config param to more generic TargetConfig struct

src/ProjectConfig.hpp

@@ -69,6 +69,11 @@ struct TargetConfig
      */
     bool programMemoryCache = true;
 
+    /**
+     * Determines if Bloom will reserve a single hardware breakpoint for stepping operations.
+     */
+    bool reserveSteppingBreakpoint = true;
+
     /**
      * For extracting any target specific configuration. See Avr8TargetConfig::Avr8TargetConfig() and
      * Avr8::preActivationConfigure() for an example of this.