[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8251549: Update docs on building for Git

[Joe Darcy]

Changeset: 042734cc
Author:    Joe Darcy <darcy at openjdk.org>
Date:      2020-11-23 17:44:10 +0000
URL:       https://github.com/openjdk/aarch64-port/commit/042734cc

8251549: Update docs on building for Git

Reviewed-by: lancea

! doc/building.md