mwifiex: fix missing tsf_val TLV

In mwifiex_cmd_append_tsf_tlv(), two tsf_val TLVs should be
filled in the buffer and then sent to firmware.

The missing first TLV for tsf_val is added back in this patch.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 042eb77..85fca5e 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -100,7 +100,7 @@
 			   struct mwifiex_bssdescriptor *bss_desc)
 {
 	struct mwifiex_ie_types_tsf_timestamp tsf_tlv;
-	long long tsf_val;
+	__le64 tsf_val;
 
 	/* Null Checks */
 	if (buffer == NULL)
@@ -116,6 +116,11 @@
 	memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header));
 	*buffer += sizeof(tsf_tlv.header);
 
+	/* TSF at the time when beacon/probe_response was received */
+	tsf_val = cpu_to_le64(bss_desc->network_tsf);
+	memcpy(*buffer, &tsf_val, sizeof(tsf_val));
+	*buffer += sizeof(tsf_val);
+
 	memcpy(&tsf_val, bss_desc->time_stamp, sizeof(tsf_val));
 
 	dev_dbg(priv->adapter->dev, "info: %s: TSF offset calc: %016llx - "