This is a preparation for implementation of include statement.
Parser will be called recursively to parse included .wks files,
so it should be available as a method.
(From OE-Core rev: 7778b9851758f4f782cb5f5d5fb36e68aed3b275)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>