Update path for build
Update path for build

Path moved from /root/ to /usr/bin/ for container which is
pushed to the remote registry

Signed-off-by: Alex Ellis (VMware) <5f7133baa0f5c7ca63ff11e11f2e2b0d2cf077c8@gmail.com>

itscaro/faas-cli,itscaro/faas-cli,itscaro/faas-cli