[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8265343: Update Debian-based cross-compilation recipes

[Aleksey Shipilev]

Changeset: 7879adbe
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2021-04-21 10:44:19 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/7879adbe

8265343: Update Debian-based cross-compilation recipes

Reviewed-by: erikj

! doc/building.html
! doc/building.md