website: Add time and room  to HPCA '23 tutorial

Change-Id: I15f82a8e8b0610e078e8f91e1cbaaae07fbf6388
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/68377
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby Bruce <bbruce@ucdavis.edu>
1 file changed