added missing interrupt stuff in pin.h

peripherals/pin.h

@@ -80,6 +80,13 @@ typedef enum
 	enabled		/*!< Interrupt enabled */ 
 }pinInterrupt_t;
 
+/*! Enum to enable ordisable pin interrupt */
+typedef enum 
+{
+	disabled,	/*!< Interrupt disabled */
+	enabled		/*!< Interrupt enabled */ 
+}pinInterrupt_t;
+
 /*! Pin configuration typedef struct*/
 typedef struct 
 {