mem-ruby: fix data state for partial WU

When receiving data from a WriteUniquePtl we were wrongfully clearing
the data valid flag.

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

Change-Id: I5c17433f1cfb706e443a0169a9f0e99ff5c1fcc0
Signed-off-by: Tiago Mück <tiago.muck@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59989
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