soundwire: intel: Use kzalloc for allocating only one thing

Use kzalloc rather than kcalloc(1,...)

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
@@

- kcalloc(1,
+ kzalloc(
          ...)
// </smpl>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201229135012.23472-1-zhengyongjun3@huawei.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/intel.c

@@ -967,7 +967,7 @@ static int intel_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	/* Port configuration */
-	pconfig = kcalloc(1, sizeof(*pconfig), GFP_KERNEL);
+	pconfig = kzalloc(sizeof(*pconfig), GFP_KERNEL);
 	if (!pconfig) {
 		ret =  -ENOMEM;
 		goto error;