[packages/xen] (2 commits) Non-fast-forward update to branch DEVEL-4.16

[qboosh]

The branch 'DEVEL-4.16' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch.

Commits removed from the branch:

  aa6592e... - updated to 4.16.1 (new sonames)

Commits added to the branch:

  f894bc6... - updated ipxe patch, added gcc10+ fixes (*)
  d4305cb... - updated to 4.16.1 (new sonames)

(*) This commit already existed in another branch; no separate mail sent