libertas: convert DATA_RATE to a direct command

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/hostcmd.h

@@ -461,6 +461,8 @@ struct PS_CMD_ConfirmSleep {
 };
 
 struct cmd_ds_802_11_data_rate {
+	struct cmd_header hdr;
+
 	__le16 action;
 	__le16 reserved;
 	u8 rates[MAX_RATES];
@@ -659,7 +661,6 @@ struct cmd_ds_command {
 		struct cmd_ds_802_11_rf_tx_power txp;
 		struct cmd_ds_802_11_rf_antenna rant;
 		struct cmd_ds_802_11_monitor_mode monitor;
-		struct cmd_ds_802_11_data_rate drate;
 		struct cmd_ds_802_11_rate_adapt_rateset rateset;
 		struct cmd_ds_mac_multicast_adr madr;
 		struct cmd_ds_802_11_ad_hoc_join adj;