rsi: correct the logic of deriving queue number

Maximum valid queue number is 0x5. So anding with 0x7 should be
ok here.
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/rsi/rsi_91x_usb.c

@@ -381,7 +381,7 @@ static int rsi_usb_host_intf_write_pkt(struct rsi_hw *adapter,
 				       u8 *pkt,
 				       u32 len)
 {
-	u32 queueno = ((pkt[1] >> 4) & 0xf);
+	u32 queueno = ((pkt[1] >> 4) & 0x7);
 	u8 endpoint;
 
 	endpoint = ((queueno == RSI_WIFI_MGMT_Q) ? MGMT_EP : DATA_EP);