drivers/sx127x: add define for logic level of POR indication by the reset pin
drivers/sx127x: add define for logic level of POR indication by the reset pin

jasonatran/RIOT,smlng/RIOT,OTAkeys/RIOT,ant9000/RIOT,kaspar030/RIOT,yogo1212/RIOT,josephnoir/RIOT,aeneby/RIOT,aeneby/RIOT,rfuentess/RIOT,yogo1212/RIOT,cladmi/RIOT,basilfx/RIOT,aeneby/RIOT,josephnoir/RIOT,x3ro/RIOT,toonst/RIOT,jasonatran/RIOT,authmillenon/RIOT,x3ro/RIOT,smlng/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,miri64/RIOT,yogo1212/RIOT,ant9000/RIOT,OlegHahm/RIOT,ant9000/RIOT,smlng/RIOT,authmillenon/RIOT,josephnoir/RIOT,kYc0o/RIOT,OTAkeys/RIOT,authmillenon/RIOT,cladmi/RIOT,mtausig/RIOT,kYc0o/RIOT,kaspar030/RIOT,miri64/RIOT,mtausig/RIOT,OTAkeys/RIOT,basilfx/RIOT,rfuentess/RIOT,rfuentess/RIOT,x3ro/RIOT,basilfx/RIOT,smlng/RIOT,OTAkeys/RIOT,toonst/RIOT,toonst/RIOT,kaspar030/RIOT,miri64/RIOT,authmillenon/RIOT,cladmi/RIOT,authmillenon/RIOT,jasonatran/RIOT,x3ro/RIOT,basilfx/RIOT,kaspar030/RIOT,OTAkeys/RIOT,mtausig/RIOT,kYc0o/RIOT,yogo1212/RIOT,josephnoir/RIOT,yogo1212/RIOT,kYc0o/RIOT,mtausig/RIOT,RIOT-OS/RIOT,toonst/RIOT,smlng/RIOT,kYc0o/RIOT,jasonatran/RIOT,authmillenon/RIOT,OlegHahm/RIOT,miri64/RIOT,aeneby/RIOT,aeneby/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,rfuentess/RIOT,basilfx/RIOT,OlegHahm/RIOT,mtausig/RIOT,x3ro/RIOT,ant9000/RIOT,toonst/RIOT,RIOT-OS/RIOT,ant9000/RIOT,josephnoir/RIOT,miri64/RIOT,RIOT-OS/RIOT,cladmi/RIOT,yogo1212/RIOT,cladmi/RIOT,rfuentess/RIOT,jasonatran/RIOT,kaspar030/RIOT