ci: liberate aarch64-gnu-debug from the shackles of --test-args=clang

And run all eligible run-make tests.

Author: jieyouxu

src/ci/docker/host-aarch64/aarch64-gnu-debug/Dockerfile

@@ -55,4 +55,4 @@ ENV RUST_CONFIGURE_ARGS \
 
 ENV SCRIPT \
   python3 ../x.py --stage 2 build && \
-  python3 ../x.py --stage 2 test tests/run-make --test-args clang
+  python3 ../x.py --stage 2 test tests/run-make