K 10
svn:author
V 3
avg
K 8
svn:date
V 27
2020-08-05T11:38:33.827629Z
K 7
svn:log
V 139
gpiokeys: add a basic manual page

Reviewed by:	manu, bjk, 0mp
MFC after:	1 week
Differential Revision: https://reviews.freebsd.org/D25939

END