[media] cx25821: Replace struct memcpy with struct assignment

Copying structs by assignment is type safe.
Plus, is shorter and easier to read.
Signed-off-by: NEzequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx25821/cx25821-i2c.c

@@ -305,11 +305,8 @@ int cx25821_i2c_register(struct cx25821_i2c *bus)
 
 	dprintk(1, "%s(bus = %d)\n", __func__, bus->nr);
 
-	memcpy(&bus->i2c_adap, &cx25821_i2c_adap_template,
-	       sizeof(bus->i2c_adap));
-	memcpy(&bus->i2c_client, &cx25821_i2c_client_template,
-	       sizeof(bus->i2c_client));
-
+	bus->i2c_adap = cx25821_i2c_adap_template;
+	bus->i2c_client = cx25821_i2c_client_template;
 	bus->i2c_adap.dev.parent = &dev->pci->dev;
 
 	strlcpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name));