In devel/gwenhywfar and finance/aqbanking, the documentation installed by
doxygen is massive and shouldn't be installed by default.  This was the
behavior prior to the last update, but while converting to OPTIONSng the
logic got lost.
Use the DOXYGEN option instead but we still need to check if DOCS is enabled
since the PORTDOCS macro is being used to generate the plist for the
Also, fix typos s/DOC/DOCS/ in devel/gwenhywfar.
 Reported by: Jan Henrik Sylvester <firstname.lastname@example.org>
Submitted by: Jason E. Hale <email@example.com> (maintainer)