linux-phytec-fsl

iwlwifi: trans: fix iwl_trans_txq_scd_cfg.sta_id sign

For some reason, this was defined as a signed variable.
Make it unsigned.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>