mem-ruby: fix state updates on WriteCleanFull

- fix wrong variable check at UpdateDirState_FromReqDataResp
- even after a WriteClean, dataMaybeDirtyUpstream still applies if
  there is an exclusive owner upstream.

JIRA: https://gem5.atlassian.net/browse/GEM5-1195

Change-Id: If1fa3ee40e30226db3a66c34633316e751eb7c4d
Signed-off-by: Tiago Mück <tiago.muck@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/57391
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Daecheol You <daecheol.you@samsung.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
1 file changed