staging: r8188eu: use BIT(tid) instead of manual shift

Use BIT(tid) instead of 1 << tid when we process an addba response.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220514164740.282552-6-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -1510,7 +1510,7 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
 		tid = u16_get_bits(le16_to_cpu(mgmt->u.action.u.addba_resp.capab),
 				   IEEE80211_ADDBA_PARAM_TID_MASK);
 		if (mgmt->u.action.u.addba_resp.status == 0) {	/* successful */
-			psta->htpriv.agg_enable_bitmap |= 1 << tid;
+			psta->htpriv.agg_enable_bitmap |= BIT(tid);
 			psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
 		} else {
 			psta->htpriv.agg_enable_bitmap &= ~BIT(tid);