We can't build glibc without make 4.0 and we don't work on older distros with
older versions of make without buildtools tarball so increase the minimum
version to 4.0.
(From OE-Core rev: e9a449aeec72a698206323c3471c9268f949b1ae)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>