This fixes b21fad1a80 (nvmf/subsystem: spdk_nvmf_valid_nqn fits nvme spec).
This patch was not rebased before last revision and some of these functions
had changed.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I0904d962409de280ffbc3c07108815811caf5e26
Reviewed-on: https://review.gerrithub.io/394110
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>