liquidio: 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>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/cavium/liquidio/lio_core.c

@@ -1163,7 +1163,7 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs)
 			oct->flags |= LIO_FLAG_MSI_ENABLED;
 
 		/* allocate storage for the names assigned to the irq */
-		oct->irq_name_storage = kcalloc(1, INTRNAMSIZ, GFP_KERNEL);
+		oct->irq_name_storage = kzalloc(INTRNAMSIZ, GFP_KERNEL);
 		if (!oct->irq_name_storage)
 			return -ENOMEM;