work with lpc11u37 (lpc11uxx) on kevin's board

tinyusb/device/dcd.c

@@ -135,9 +135,13 @@ TUSB_Error_t dcd_init(uint8_t coreid)
             &membase , &memsize) );
   #endif
 
+  // FIXME abstract to hal
   /* Enable the USB interrupt */
+#if MCU == MCU_LPC13UXX
   NVIC_EnableIRQ(USB_IRQ_IRQn);
-
+#elif MCU == MCU_LPC11UXX
+  NVIC_EnableIRQ(USB_IRQn);
+#endif
   /* Perform USB soft connect */
   USBD_API->hw->Connect(g_hUsb, 1);
 #endif