Improve ARM64 support

All tests except for the vectorized random number generators now pass on Apple's new ARM64 computers.

pystencils_tests/test_field_coordinates.py

@@ -49,7 +49,6 @@ def test_rotate_center():
     })
 
     kernel = pystencils.create_kernel(assignments).compile()
-    pystencils.show_code(kernel)
     rotated = np.zeros_like(lenna)
 
     kernel(x=lenna, y=rotated)