[media] dvb: Add a new driver for az6007

Import the az6007 driver from Terratec H7 source, as-is.

It won't compile or run, so latter patches are needed in order
to fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/az6007.h

+#ifndef _DVB_USB_AZ6007_H_
+#define _DVB_USB_AZ6007_H_
+
+#define DVB_USB_LOG_PREFIX "az6007"
+#include "dvb-usb.h"
+
+
+extern int dvb_usb_az6007_debug;
+#define deb_info(args...) dprintk(dvb_usb_az6007_debug,0x01,args)
+#define deb_xfer(args...) dprintk(dvb_usb_az6007_debug,0x02,args)
+#define deb_rc(args...)   dprintk(dvb_usb_az6007_debug,0x04,args)
+#define deb_fe(args...)   dprintk(dvb_usb_az6007_debug,0x08,args)
+
+
+extern int vp702x_usb_out_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec);
+extern int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen);
+
+#endif