website: Fix spelling "Bharadqaj" -> "Bharadwaj"

Change-Id: I97ab2146271d379eae04595d9e78346561507c9b
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/29712
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
2 files changed