LinuxKPI: Invoke release handler when file is destroyed by fput()
Required by drm_kmod 5.6
Reviewed by: hselasky, manu
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D32067
(cherry picked from commit 7d92d4835850fdc5c1ec1fa7c5634826a61ad0a5)