elfutils: imported from oldpackages, updated to 0.160

The pkg was imported from oldpackages.
It was updated to latest version, requiring some fixes in patches.

I added myself as maintainer.

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Merge pull request #664 from luizluca/elfutils

elfutils: imported from oldpackages, updated to 0.160