updated max number of encoders to 7

Author: jpconstantineau

libraries/RotaryEncoder/SwRotaryEncoder.cpp

@@ -49,10 +49,10 @@ extern "C"
   _pina_irqn(1)
   _pina_irqn(2)
   _pina_irqn(3)
-//  _pina_irqn(4)
-//  _pina_irqn(5)
-//  _pina_irqn(6)
-//  _pina_irqn(7)
+  _pina_irqn(4)
+  _pina_irqn(5)
+  _pina_irqn(6)
+  _pina_irqn(7)
   // add more to match SW_ROTARY_ENCODER_MAX_INSTANCE
 }
 
@@ -62,7 +62,7 @@ static SwRotaryEncoder* _encoder_ptr[SW_ROTARY_ENCODER_MAX_INSTANCE] = { NULL };
 static voidFuncPtr _pina_irq_ptr[SW_ROTARY_ENCODER_MAX_INSTANCE] =
 {
     _pina_irqn_0, _pina_irqn_1, _pina_irqn_2, _pina_irqn_3,
-//    _pina_irqn_4, _pina_irqn_5, _pina_irqn_6, _pina_irqn_7
+    _pina_irqn_4, _pina_irqn_5, _pina_irqn_6, _pina_irqn_7
 };
 
 bool SwRotaryEncoder::begin(uint8_t pina, uint8_t pinb)