mem-cache: Ensure that responses get data from the right source

This CL makes sure that we use the right source for data for
responses after a response from the cache below.

Change-Id: I7329f3e6bcb7ce2054e912eb9dea48c9d169d45a
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23667
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed