WIP: make kerncraft/matplotlib tests pass with new image

pystencils_tests/kerncraft_inputs/default_machine_file.yaml

@@ -51,7 +51,7 @@ memory hierarchy:
       cores per group: 1
       threads per group: 2
       groups: 16
-      non-overlap upstream throughput: [32 B/cy, 'half-duplex']
+      upstream throughput: [32 B/cy, 'half-duplex']
       performance counter metrics:
           accesses: L1D_REPLACEMENT:PMC[0-3]
           misses: L2_LINES_IN_ALL:PMC[0-3]