Add non-TRUSTEDBSD prefixed knobs for _PC_ACL* and {CAP,INF,MAC}_PRESENT knobs
It's not necessarily intuitive that the variables to query contain TRUSTEDBSD
in the prefix. Add non-TRUSTEDBSD prefixed knobs for querying things like
"_PC_ACL_NFS4"
MFC after: 1 week
Relnotes: yes
Sponsored by: EMC / Isilon Storage Division