util-gem5art: Update .gitignore to ingore run results

Change-Id: Iedb944c2be7889dbf3d9eaabb78c4a1bc967af3e
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47222
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
1 file changed