Break out the code that parse IMAGE_BOOT_FILES to a common library.
(From OE-Core rev: 1e07fe51bdb24070308c85e83df0b80ab9f83cea)
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Konrad Weihmann <kweihmann@outlook.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
