Seven Watt 8a62618a63 stm32l0: add exti to makefile
Tested with a Lora radio application that used three GPIO lines to send
different interrupts from the radio module to the L052. Tested with a
Jeenode Zero Rev1
2017-02-17 09:43:01 +00:00
..
2017-02-17 09:43:01 +00:00