[Snek] [keith-packard/snek] c2534a: chips/samd21: Get 'running' LED working again

[Keith Packard]

  Branch: refs/heads/master
  Home:   https://github.com/keith-packard/snek
  Commit: c2534a7b1ef6e40849a197d304b2931f407383e5
      https://github.com/keith-packard/snek/commit/c2534a7b1ef6e40849a197d304b2931f407383e5
  Author: Keith Packard <keithp at keithp.com>
  Date:   2019-07-03 (Wed, 03 Jul 2019)

  Changed paths:
    M chips/samd21/ao-snek.c
    M chips/samd21/ao-snek.h

  Log Message:
  -----------
  chips/samd21: Get 'running' LED working again

The #ifdef controlling the hook was broken, and the boolean sense of
the LED was inverted.

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: 18eff787351f593254d63dc9393ba266446981b4
      https://github.com/keith-packard/snek/commit/18eff787351f593254d63dc9393ba266446981b4
  Author: Keith Packard <keithp at keithp.com>
  Date:   2019-07-03 (Wed, 03 Jul 2019)

  Changed paths:
    M chips/samd21/ao-usb-samd21.c

  Log Message:
  -----------
  chips/samd21: Use unique 128-bit serial number for USB serial

Make each SAMD21 board unique without requiring managing serial
numbers separately.

Signed-off-by: Keith Packard <keithp at keithp.com>


Compare: https://github.com/keith-packard/snek/compare/121f8c797742...18eff787351f