ACPI: bus: implement acpi_device_hid when !ACPI

Provide an implementation of acpi_device_hid that can be used when
CONFIG_ACPI is not set.

Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://patch.msgid.link/20241216-fix-ipu-v5-6-3d6b35ddce7b@chromium.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: ribalda

include/acpi/acpi_bus.h

@@ -1003,6 +1003,11 @@ static inline int unregister_acpi_bus_type(void *bus) { return 0; }
 
 static inline int acpi_wait_for_acpi_ipmi(void) { return 0; }
 
+static inline const char *acpi_device_hid(struct acpi_device *device)
+{
+	return "";
+}
+
 static inline bool
 acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld)
 {