cpu/ezr32wg/gpio: use gpio_irq feature
cpu/ezr32wg/gpio: use gpio_irq feature

jasonatran/RIOT,ant9000/RIOT,OTAkeys/RIOT,mtausig/RIOT,biboc/RIOT,basilfx/RIOT,BytesGalore/RIOT,basilfx/RIOT,josephnoir/RIOT,OlegHahm/RIOT,cladmi/RIOT,BytesGalore/RIOT,mfrey/RIOT,smlng/RIOT,mtausig/RIOT,kYc0o/RIOT,smlng/RIOT,basilfx/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,cladmi/RIOT,yogo1212/RIOT,authmillenon/RIOT,miri64/RIOT,OTAkeys/RIOT,josephnoir/RIOT,lazytech-org/RIOT,BytesGalore/RIOT,smlng/RIOT,authmillenon/RIOT,toonst/RIOT,mtausig/RIOT,A-Paul/RIOT,gebart/RIOT,lazytech-org/RIOT,mfrey/RIOT,josephnoir/RIOT,lazytech-org/RIOT,aeneby/RIOT,kbumsik/RIOT,kbumsik/RIOT,kbumsik/RIOT,OlegHahm/RIOT,yogo1212/RIOT,ant9000/RIOT,A-Paul/RIOT,A-Paul/RIOT,BytesGalore/RIOT,ant9000/RIOT,kYc0o/RIOT,gebart/RIOT,x3ro/RIOT,OTAkeys/RIOT,authmillenon/RIOT,BytesGalore/RIOT,kaspar030/RIOT,smlng/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,mfrey/RIOT,ant9000/RIOT,biboc/RIOT,rfuentess/RIOT,OTAkeys/RIOT,toonst/RIOT,OlegHahm/RIOT,mfrey/RIOT,x3ro/RIOT,cladmi/RIOT,kYc0o/RIOT,aeneby/RIOT,x3ro/RIOT,biboc/RIOT,A-Paul/RIOT,miri64/RIOT,kbumsik/RIOT,mfrey/RIOT,miri64/RIOT,mtausig/RIOT,RIOT-OS/RIOT,basilfx/RIOT,josephnoir/RIOT,lazytech-org/RIOT,jasonatran/RIOT,kaspar030/RIOT,rfuentess/RIOT,A-Paul/RIOT,cladmi/RIOT,aeneby/RIOT,rfuentess/RIOT,gebart/RIOT,cladmi/RIOT,yogo1212/RIOT,authmillenon/RIOT,x3ro/RIOT,kaspar030/RIOT,authmillenon/RIOT,OlegHahm/RIOT,gebart/RIOT,smlng/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,rfuentess/RIOT,toonst/RIOT,rfuentess/RIOT,jasonatran/RIOT,kbumsik/RIOT,jasonatran/RIOT,miri64/RIOT,x3ro/RIOT,kaspar030/RIOT,ant9000/RIOT,josephnoir/RIOT,lazytech-org/RIOT,biboc/RIOT,yogo1212/RIOT,yogo1212/RIOT,toonst/RIOT,mtausig/RIOT,aeneby/RIOT,biboc/RIOT,basilfx/RIOT,OTAkeys/RIOT,jasonatran/RIOT,authmillenon/RIOT,miri64/RIOT,toonst/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,kYc0o/RIOT,gebart/RIOT,aeneby/RIOT