Backport a patch from 2.7 branch to fix a regression with glibc
2.24 causing "OSError: [Errno 38] Function not implemented" when
calling urandom() with older kernels.
(From OE-Core rev: 3f2be1c857a44030478ce25b4a722667b73de446)
Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>