reset: hisilicon: correct vendor prefix

The vendor prefix of "Hisilicon Limited" is "hisilicon", it is clearly
stated in "vendor-prefixes.yaml".

For backward compatibility reasons fall back to the deprecated compatible
if the new one failed.

Fixes: 1527058736fa ("reset: hisilicon: add reset-hi3660")
Signed-off-by: Zhen Lei <[e-mail]>
Cc: Zhangfei Gao <[e-mail]>
Signed-off-by: Philipp Zabel <[e-mail]>

drivers/reset/hisilicon/reset-hi3660.c

···
 	if (!rc)
 		return -ENOMEM;
 
-	rc->map = syscon_regmap_lookup_by_phandle(np, "hisi,rst-syscon");
+	rc->map = syscon_regmap_lookup_by_phandle(np, "hisilicon,rst-syscon");
+	if (rc->map == ERR_PTR(-ENODEV)) {
+		/* fall back to the deprecated compatible */
+		rc->map = syscon_regmap_lookup_by_phandle(np,
+							  "hisi,rst-syscon");
+	}
 	if (IS_ERR(rc->map)) {
-		dev_err(dev, "failed to get hi3660,rst-syscon\n");
+		dev_err(dev, "failed to get hisilicon,rst-syscon\n");
 		return PTR_ERR(rc->map);
 	}