ACPICA: Executer: Add back pointing reference of method operand

ACPICA commit 9dcd124e914e87495fbd1786d9484b962e0823e0

This patch adds back pointing reference of the namespace node for a method
operand. The namespace node then can be used in
acpi_ds_terminate_control_method() to obtain method full path to be used by
tracing facilities. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/9dcd124e
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpica/excreate.c

@@ -486,6 +486,7 @@ acpi_ex_create_method(u8 * aml_start,
 
 	obj_desc->method.aml_start = aml_start;
 	obj_desc->method.aml_length = aml_length;
+	obj_desc->method.node = operand[0];
 
 	/*
 	 * Disassemble the method flags. Split off the arg_count, Serialized