ocs_fc: Add lancer G7 to the supported hardware in the man page.

Reviewed by: mav
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D33668

(cherry picked from commit f5e24f24c7cc217dbe328c1181b568b893da5dd1)

ocs_fc: Updated man page date.

MFC after: 3 days

(cherry picked from commit 99948907e3cbe58c2e3e27b19c79793db9b21ca0)