linker: Permit CTFv3 containers
Approved by: re (gjb)
Reviewed by: Domagoj Stolfa
Sponsored by: The FreeBSD Foundation
(cherry picked from commit 8dbae4ce32bde42daee050ccfceee5eb2d306786)
(cherry picked from commit 8409eb0251ce54b4a901b534198ca82f5048c7fe)