Do not disable the warning as error for overflow, which was a workaround
until the real fix came in.
(From OE-Core rev: d5e999616e2671442cfc678750bdfb990ef5728c)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>