Fix zfsd_hotspare_001_pos

tests/sys/cddl/zfs/tests/zfsd/zfsd_hotspare_001_pos.ksh
Relax a check_state operation. It was checking for a divergence
"zpool status" output between FreeBSD and SpectraBSD that is
probably unintentional. Now, the test can pass on both FreeBSD and
SpectraBSD.

Sponsored by: Spectra Logic Corp