Enable meta-brainscales

spack.yaml

@@ -19,5 +19,5 @@ spack:
     - py-pynn %gcc@10.3.0 
     - tvb-data %gcc@10.3.0
     - tvb-library ^binutils+ld+gold %gcc@10.3.0
-    # BrainScaleS (plus some constraining)
-    #- visionary-dls-core ^py-setuptools-scm+toml ^python@3.8.0:3.8.999 ^binutils+ld ^py-astroid@2.5.6:2.6.999 ^py-scipy@:1.6.999 %gcc@10.3.0
+    # BrainScaleS-2 client-side software dependencies
+    - meta-brainscales %gcc@10.3.0