website: fix links and markup of the rest of publications

Signed-off-by: Masanori Ogino <masanori.ogino@gmail.com>
Change-Id: I441db40dceb7ddebe73dcf76a684ef5659b46dc8
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/56166
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby Bruce <bbruce@ucdavis.edu>
1 file changed