libertas: add SLEEP_PERIOD and FW_WAKE_METHOD command definitions

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index ea4d484..b38502f 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -439,6 +439,20 @@
 	__le16 version;
 };
 
+struct cmd_ds_802_11_fw_wake_method {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 method;
+};
+
+struct cmd_ds_802_11_sleep_period {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 period;
+};
+
 struct cmd_ds_802_11_ps_mode {
 	__le16 action;
 	__le16 nullpktinterval;