mwifiex: add key material v2 support

This patch adds key material V2 support to mwifiex.
Newer FW supports this feature and FW KEY API version is used
to determine which command structure needs to be used.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index de115fa7..407f8ea 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -469,6 +469,7 @@
 	u8 wpa_ie_len;
 	u8 wpa_is_gtk_set;
 	struct host_cmd_ds_802_11_key_material aes_key;
+	struct host_cmd_ds_802_11_key_material_v2 aes_key_v2;
 	u8 wapi_ie[256];
 	u8 wapi_ie_len;
 	u8 *wps_ie;