ACPICA: Events: Fix uninitialized variable

ACPICA commit 8e21180050270897499652e922c6a41b8eb388b6

Recent changes to acpi_ev_asynch_execute_gpe_method left Status
variable uninitialized before use. Initialize to AE_OK.

Link: https://github.com/acpica/acpica/commit/8e211800
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpica/evgpe.c

@@ -473,7 +473,7 @@ unlock_and_exit:
 static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
 {
 	struct acpi_gpe_event_info *gpe_event_info = context;
-	acpi_status status;
+	acpi_status status = AE_OK;
 	struct acpi_evaluate_info *info;
 	struct acpi_gpe_notify_info *notify;