Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c
index c7d06a3..a80c331 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * System Control and Power Interface (SCPI) Message Protocol driver
  *
@@ -11,18 +12,6 @@
  * clocks configuration, thermal sensors and many others.
  *
  * Copyright (C) 2015 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -1022,10 +1011,6 @@
 				   scpi_info->firmware_version));
 	scpi_info->scpi_ops = &scpi_ops;
 
-	ret = devm_device_add_groups(dev, versions_groups);
-	if (ret)
-		dev_err(dev, "unable to create sysfs version group\n");
-
 	return devm_of_platform_populate(dev);
 }
 
@@ -1041,6 +1026,7 @@
 	.driver = {
 		.name = "scpi_protocol",
 		.of_match_table = scpi_of_match,
+		.dev_groups = versions_groups,
 	},
 	.probe = scpi_probe,
 	.remove = scpi_remove,