[media] lm3560: remove FSF address from the license

There is no need to keep the FSF address inside each file. Moreover, it might
change in future which will make this one obsolete.

There is no functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>