staging: vt6656: rxtx Replace vnt_tx_fifo_head wReserved

At run time wReserved has the value of wCurrentRate.

Replace with current_rate with __le16 base type and endian correct
wCurrentRate.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 4bb13a7..2b67b1b 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -800,7 +800,7 @@
 	u16 wFifoCtl;
 	u8 byFBOption = AUTO_FB_NONE;
 
-	pFifoHead->wReserved = wCurrentRate;
+	pFifoHead->current_rate = cpu_to_le16(wCurrentRate);
 	wFifoCtl = pFifoHead->wFIFOCtl;
 
 	if (wFifoCtl & FIFOCTL_AUTO_FB_0)