ocs_fc: Add gendump and dump_to_host ioctl command support.
Support to generate firmware dump.
Approved by: mav(mentor)
(cherry picked from commit 29e2dbd42c3e2e10e606b3414f4d0c53021d4e86)
Add ocs_gendump.c to the build, missed in 29e2dbd42c3e.
(cherry picked from commit d0732fa81963d336099a6b134a1eb4be867bfa8b)