mac80211_hwsim: fixup for tsf setting

Last patch I sent failed to take into account the offset of each phy.
Signed-off-by: NJavier Cardona <javier@cozybit.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mac80211_hwsim.c

@@ -694,6 +694,7 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 		    ieee80211_is_probe_resp(mgmt->frame_control))
 			mgmt->u.beacon.timestamp = cpu_to_le64(
 				rx_status.mactime +
+				(data->tsf_offset - data2->tsf_offset) +
 				24 * 8 * 10 / txrate->bitrate);
 
 		memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));