rtl8192cu: fix the mesh beaconing

Patch "rtlwifi: add support to send beacon frame" allows
the beaconing of rtl8192cu. But mesh beaconing is not
working. Fix this.

Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/rtlwifi/rtl8192cu/hw.c

@@ -1509,6 +1509,7 @@ void rtl92cu_set_beacon_related_registers(struct ieee80211_hw *hw)
 	/* TODO: Modify later (Find the right parameters)
 	 * NOTE: Fix test chip's bug (about contention windows's randomness) */
 	if ((mac->opmode == NL80211_IFTYPE_ADHOC) ||
+	    (mac->opmode == NL80211_IFTYPE_MESH_POINT) ||
 	    (mac->opmode == NL80211_IFTYPE_AP)) {
 		rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_CCK, 0x50);
 		rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_OFDM, 0x50);