Add AmlCodeGenReturnNameString() to generate AML code for a Return object node, returning the object as a NameString. AmlCodeGenReturn ("NAM1", ParentNode, NewObjectNode) is equivalent of the following ASL code: Return(NAM1) Reviewed-by: Sami Mujawar <sami.mujawar@arm.com> Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>