wifi: iwlwifi: mvm: fix primary link setting

mvmvif::primary link holds the ID and not a bitmap. Fix this

Fixes: 07bf5297 ("wifi: iwlwifi: mvm: Implement new link selection algorithm")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20240506095953.779bf6949053.Ia9297991ff2fdc82ae7c730e0069e2dd6e5f2902@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c

@@ -1212,7 +1212,7 @@ iwl_mvm_mld_change_vif_links(struct ieee80211_hw *hw,
 		 * Ensure we always have a valid primary_link, the real
 		 * decision happens later when PHY is activated.
 		 */
-		mvmvif->primary_link = BIT(__ffs(new_links));
+		mvmvif->primary_link = __ffs(new_links);
 	}
 
 out_err: