Add aarch64-linux-musl configurations for cpython2

Add configuration files generated on an Ubuntu 22.04 aarch64 host.
This uses the host clang for now since we don't have a hermetic
arm64 clang.

Bug: 236052820
Test: cross compiles
Change-Id: I646826e14f1572ba98b857ad17d5a1d56e3decd7
5 files changed