[media] em28xx: Replace memcpy with struct assignment

This kind of memcpy() is error-prone and its
replacement with a struct assignment is prefered.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/em28xx/em28xx-cards.c

@@ -2203,7 +2203,7 @@ EXPORT_SYMBOL_GPL(em28xx_tuner_callback);
 
 static inline void em28xx_set_model(struct em28xx *dev)
 {
-	memcpy(&dev->board, &em28xx_boards[dev->model], sizeof(dev->board));
+	dev->board = em28xx_boards[dev->model];
 
 	/* Those are the default values for the majority of boards
 	   Use those values if not specified otherwise at boards entry