drivers/hd44780: change default pin params
drivers/hd44780: change default pin params

Remove the use of arduino dependent macros. The default pins are for the Arduino Zero board

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