Staging: iio: fix printk(KERN_ERR .. in lis3l02dq_core.c

Fix checkpatch.pl issues with prefer netdev_err(netdev, .. then
dev_err(dev, .. then pr_err(.. to printk(KERN_ERR
in lis3l02dq_core.c

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/accel/lis3l02dq_core.c

@@ -716,7 +716,7 @@ static int lis3l02dq_probe(struct spi_device *spi)
 				  lis3l02dq_channels,
 				  ARRAY_SIZE(lis3l02dq_channels));
 	if (ret) {
-		printk(KERN_ERR "failed to initialize the buffer\n");
+		dev_err(&spi->dev, "failed to initialize the buffer\n");
 		goto error_unreg_buffer_funcs;
 	}