ACPI: power: Use strscpy() instead of strcpy()

Replace strcpy() with strscpy() in the ACPI power resource driver.

strcpy() has been deprecated because it is generally unsafe, so it
is better to eliminate it from the kernel source.

Link: KSPP#88
Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>
Link: https://patch.msgid.link/20240915183822.34588-6-qasim.majeed20@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: qa-majeed

drivers/acpi/power.c

@@ -950,8 +950,8 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
 	mutex_init(&resource->resource_lock);
 	INIT_LIST_HEAD(&resource->list_node);
 	INIT_LIST_HEAD(&resource->dependents);
-	strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
-	strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
+	strscpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
+	strscpy(acpi_device_class(device), ACPI_POWER_CLASS);
 	device->power.state = ACPI_STATE_UNKNOWN;
 	device->flags.match_driver = true;