crypto: img-hash - use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Reported-by: Hulk Robot <[e-mail]>
Signed-off-by: YueHaibing <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/img-hash.c

···
 	crypto_init_queue(&hdev->queue, IMG_HASH_QUEUE_LENGTH);
 
 	/* Register bank */
-	hash_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	hdev->io_base = devm_ioremap_resource(dev, hash_res);
+	hdev->io_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hdev->io_base)) {
 		err = PTR_ERR(hdev->io_base);
 		dev_err(dev, "can't ioremap, returned %d\n", err);