[media] dib0700: add a sleep before attempting to detect dib7000p

Add a sleep since in some cases the dib7000p wasn't online when being probed.
The optimal timing has not yet been determined.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/dib0700_devices.c

@@ -2722,6 +2722,8 @@ static int pctv340e_frontend_attach(struct dvb_usb_adapter *adap)
 	/* FIXME: not verified yet */
 	dib0700_ctrl_clock(adap->dev, 72, 1);
 
+	msleep(500);
+
 	if (dib7000pc_detection(&adap->dev->i2c_adap) == 0) {
 		/* Demodulator not found for some reason? */
 		return -ENODEV;