crypto: atmel-sha204a - Remove useless check

kfree(NULL) is a noop, so there is no win in checking a pointer before
kfreeing it.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/atmel-sha204a.c

@@ -125,8 +125,7 @@ static int atmel_sha204a_remove(struct i2c_client *client)
 		return -EBUSY;
 	}
 
-	if (i2c_priv->hwrng.priv)
-		kfree((void *)i2c_priv->hwrng.priv);
+	kfree((void *)i2c_priv->hwrng.priv);
 
 	return 0;
 }