Bump to version 7.40
(From OE-Core rev: d3704312252c1607883099063151c599cca81cbe)
Signed-off-by: Maxin B. John <maxin.john@enea.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>