ACPI: utils: Make acpi_handle_path() not static

acpi_handle_path() will soon be required for node name comparison
elsewhere in ACPI framework. Remove the static keyword and add the
prototype to include/linux/acpi.h.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/utils.c

@@ -559,7 +559,7 @@ EXPORT_SYMBOL(acpi_evaluate_ost);
  *
  * Caller must free the returned buffer
  */
-static char *acpi_handle_path(acpi_handle handle)
+char *acpi_handle_path(acpi_handle handle)
 {
 	struct acpi_buffer buffer = {
 		.length = ACPI_ALLOCATE_BUFFER,

include/linux/acpi.h

@@ -1170,6 +1170,7 @@ static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
 #endif
 
 #ifdef CONFIG_ACPI
+char *acpi_handle_path(acpi_handle handle);
 __printf(3, 4)
 void acpi_handle_printk(const char *level, acpi_handle handle,
 			const char *fmt, ...);