Mark SWCLK/SWDIO pins correctly for SAMD20/SAMD21. Closes issue #3
Mark SWCLK/SWDIO pins correctly for SAMD20/SAMD21. Closes issue #3

SWCLK is actually on PA30 (pin 31)
SWDIO is actually on PA31 (pin 32)

iromero91/kicad-schlib,cpavlina/kicad-schlib,cpavlina/kicad-schlib,iromero91/kicad-schlib