buildroot

binutils: add patch to 2.27 to fix arm issue with file having no data

This commit adds a patch to binutils 2.27, which fixes the build of
kvmtool on ARM. The fix is taken from the upstream mailing list at
https://lists.gnu.org/archive/html/bug-binutils/2016-08/msg00165.html.

Fixes:

  http://autobuild.buildroot.net/results/bae83d495b46efeec45c8008949c811b6241adaa

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>