[media] lm3560: simplify a boolean test

lml33dpatch is boolean. So, the possible values are
true or false.

Instead of using if (lml33dpath), just use
if (!lml33dpath).

That allows a faster mental parsing when analyzing the
code.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/pci/zoran/zoran_device.c

@@ -682,7 +682,7 @@ set_videobus_dir (struct zoran *zr,
 	switch (zr->card.type) {
 	case LML33:
 	case LML33R10:
-		if (lml33dpath == 0)
+		if (!lml33dpath)
 			GPIO(zr, 5, val);
 		else
 			GPIO(zr, 5, 1);