Try fix build issue on ppl64el (miniaudio)

snap/snapcraft.yaml

@@ -92,8 +92,9 @@ parts:
       - wheel
       - Cython
       - pip
-    # build-environment:
-    #   - SNAPCRAFT_PYTHON_INTERPRETER: python3.9
+    build-environment:
+      - on ppc64el:
+        CHPL_TARGET_ARCH: none
     build-packages:
       - python3
       - python3-dev