Added arduino libs

libraries/EnableInterrupt/utility/ei_portj_speed.h

@@ -0,0 +1,24 @@
+#if defined ARDUINO_MEGA
+#if defined INTERRUPT_FLAG_PIN15
+  if (interruptMask & _BV(0)) INTERRUPT_FLAG_PIN15++;
+#endif
+#if defined INTERRUPT_FLAG_PIN14
+  if (interruptMask & _BV(1)) INTERRUPT_FLAG_PIN14++;
+#endif
+#if defined INTERRUPT_FLAG_PIN70
+  if (interruptMask & _BV(2)) INTERRUPT_FLAG_PIN70++;
+#endif
+#if defined INTERRUPT_FLAG_PIN71
+  if (interruptMask & _BV(3)) INTERRUPT_FLAG_PIN71++;
+#endif
+#if defined INTERRUPT_FLAG_PIN72
+  if (interruptMask & _BV(4)) INTERRUPT_FLAG_PIN72++;
+#endif
+#if defined INTERRUPT_FLAG_PIN73
+  if (interruptMask & _BV(5)) INTERRUPT_FLAG_PIN73++;
+#endif
+#if defined INTERRUPT_FLAG_PIN74
+  if (interruptMask & _BV(6)) INTERRUPT_FLAG_PIN74++;
+#endif
+#endif
+// NOTE: 75 and 76 are "fake" External interrupt pins.