Re-enable dpv(1,3): Introduced via r274116; temporarily disabled
shortly thereafter via r274124 until I could get the right recipe
down w/respect to SUBDIR_DEPEND.

Thanks to:      ngie, ian
Reviewed by:    ian
MFC after:      21 days
X-MFC-to:       stable/10 stable/9
X-MFC-with:     274116 274120 274121 274123 274144 274146


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274192 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f