[Snek] [keith-packard/snek] bb43c5: doc: Use GPIO consistently when talking about SoC ...

[Keith Packard]

  Branch: refs/heads/master
  Home:   https://github.com/keith-packard/snek
  Commit: bb43c57990cf479c4ba73fa43fdaa8b840ca5dec
      https://github.com/keith-packard/snek/commit/bb43c57990cf479c4ba73fa43fdaa8b840ca5dec
  Author: Keith Packard <keithp at keithp.com>
  Date:   2019-05-14 (Tue, 14 May 2019)

  Changed paths:
    M doc/snek.adoc

  Log Message:
  -----------
  doc: Use GPIO consistently when talking about SoC connections

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