website: small fix on CPU bootcamp reference and adding YT video

Change-Id: Ibe0e9ed4c3b730aca68dc5a6c0312ed631411e67
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/62152
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: Jason Lowe-Power <power.jg@gmail.com>
1 file changed