Re-enable VCS tests in Gitlab CI

[colluca]

VCS job was failing due to a compilation error in an AXI module, after bumping AXI to the multicast branch. It was thus temporarily disabled until the multicast branch is properly merged upstream.

snitch_cluster/.gitlab-ci.yml

Lines 112 to 118 in d602aad

	# # VCS
	# snitch-cluster-vcs:
	# needs: [setup, snitch-cluster-sw]
	# script:
	# - cd target/snitch_cluster
	# - make vcs
	# - ./util/run.py sw/run.yaml --simulator vcs -j --run-dir runs/vcs