MFC to RELENG_7:
Add files to remove when MK_GCOV, MK_IPX or MK_NCP are defined. PR: [[ https://bugs.freebsd.org/120492 | 120492 ]] PR: [[ https://bugs.freebsd.org/121118 | 121118 ]] PR: [[ https://bugs.freebsd.org/121121 | 121121 ]] Submitted by: KAMIYA Satosi, Richard Tector Approved by: rwatson (mentor) MFC after: 1 month