util,systemc: Update systemc connection


Change-Id: I5b5c7de9e734dd8a58160193d68c9a13d649b739
Issue-On: https://gem5.atlassian.net/browse/GEM5-1218
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59589
Reviewed-by: Matthias Jung <jungma@eit.uni-kl.de>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
8 files changed