Drop the do_compile_prepend logic as upstream now
handles it correctly.
License-Update: copyright years
(From OE-Core rev: 830a955ab2f3c22ed44918a88adb79ba719eedbc)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>