Fix package phase on 11.x/arm with RPI2 option
PR\: 223292
Sumbitted by\: jonc@chen.org.nz
Reviewed by\: mickael.maillot@gmail.com (maintainer)
Approved by\: lme (mentor)
Approved by\: olivier (mentor)
Differential Revisions\: https://reviews.freebsd.org/DXXXXX