spi: mpc512x-psc: add parenthesis for sizeof

Fix missing parenthesis of sizeof reported by checkpatch.pl:
 WARNING: sizeof *pp should be sizeof(*pp).

The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-3-git-send-email-songzhiqi1@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-mpc512x-psc.c

@@ -369,7 +369,7 @@ static int mpc512x_psc_spi_setup(struct spi_device *spi)
 		return -EINVAL;
 
 	if (!cs) {
-		cs = kzalloc(sizeof *cs, GFP_KERNEL);
+		cs = kzalloc(sizeof(*cs), GFP_KERNEL);
 		if (!cs)
 			return -ENOMEM;
 
@@ -491,7 +491,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
 	void *tempp;
 	struct clk *clk;
 
-	master = spi_alloc_master(dev, sizeof *mps);
+	master = spi_alloc_master(dev, sizeof(*mps));
 	if (master == NULL)
 		return -ENOMEM;