K 10
svn:author
V 5
gonzo
K 8
svn:date
V 27
2016-03-11T21:05:16.941672Z
K 7
svn:log
V 430
Make it possible for operations to refer to GPIO pins by name

- Try to guess what is provided as a pin spec for -t or for get/set
    operation: number or name. Fails in case of ambiguity.
- Add -p and -N switches to force pin specification interpretation:
    -p forces spec to be pin number, -N forces it to be name

Submitted by:	Emmanuel Vadot <manu@bidouilliste.com>
Differential Revision:	https://reviews.freebsd.org/D5201

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