rtl8xxxu: Set WLAN_ACT_CONTROL per vendor driver setting

The initial code set the wrong setting in WLAN_ACT_CONTROL for the
8723bu.
Signed-off-by: NJes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

@@ -5894,7 +5894,7 @@ static void rtl8723bu_init_bt(struct rtl8xxxu_priv *priv)
 	/*
 	 * WLAN action by PTA
 	 */
-	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c);
+	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
 
 	/*
 	 * BT select S0/S1 controlled by WiFi