V4L/DVB (11812): Siano: smsusb - add big endian support

Add support for big endien target hosts, which
use USB interface.
Signed-off-by: NUri Shkolnik <uris@siano-ms.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/siano/smsusb.c

@@ -73,6 +73,7 @@ static void smsusb_onresponse(struct urb *urb)
 	if (urb->actual_length > 0) {
 		struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p;
 
+		smsendian_handle_message_header(phdr);
 		if (urb->actual_length >= phdr->msgLength) {
 			surb->cb->size = phdr->msgLength;