Bug#980256: [git-buildpackage/master] autopkgtest: Set %_arch

[Jochen Sprickerhof]

tag 980256 pending
thanks

Date:   Sat Jan 30 20:38:05 2021 +0100
Author: Jochen Sprickerhof <jspri...@debian.org>
Commit ID: 5949fbc41d0008efb1f06c42e227bdbcceb7e0ff
Commit URL: 
https://git.sigxcpu.org/cgit/git-buildpackage//commit/?id=5949fbc41d0008efb1f06c42e227bdbcceb7e0ff
Patch URL: 
https://git.sigxcpu.org/cgit/git-buildpackage//patch/?id=5949fbc41d0008efb1f06c42e227bdbcceb7e0ff

    autopkgtest: Set %_arch

    Seems to be needed on armhf.

    Closes: #980256