skip test suite on PPC

recipe/meta.yaml

@@ -56,7 +56,9 @@ test:
     - f2py -h
     # numpy.test will show SIMD features of agent (in the past, there have been
     # failures that occured depending on presence/absence of e.g. AVX512)
-    - python -c "import numpy, sys; sys.exit(not numpy.test(verbose=3, durations=50, extra_argv=['-k', 'not ({{ tests_to_skip }})']))"
+    - python -c "import numpy, sys; sys.exit(not numpy.test(verbose=3, durations=50, extra_argv=['-k', 'not ({{ tests_to_skip }})']))"  # [not ppc64le]
+    # NOTE: test suite is skipped on ppc due to bugs in QEMU code that cause
+    # CI to fail, even though the tests should run through on native hardware
   imports:
     - numpy
     - numpy.core.multiarray