website: Fix GCN3 'Running the Sample Application' script

Change-Id: I022b9361bfc832ebc0e5ae323f1eb6558a2b40a1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/50807
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
1 file changed