Fix pin types in Atmel components (#736)
Fix pin types in Atmel components (#736)

VCC, GND, AVCC, AGND and VBAT should be set as "Power input".
true-nature/kicad-library,lkundrak/kicad-library,hyOzd/kicad-library,crackerizer/kicad-library,jkriege2/kicad-library,crackerizer/kicad-library,hyOzd/kicad-library,cafee/kicad-library,stambaughw/kicad-library,true-nature/kicad-library,jkriege2/kicad-library,lkundrak/kicad-library,pointhi/kicad-library,stambaughw/kicad-library