iwlwifi: pcie: fix TVQM queue ID range check

The queue ID should never be 512 either, so correct the check
to be >= instead of just >.

Fixes: 310181ec ("iwlwifi: move to TVQM mode")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>