mem-cache: Remove writebacks parameter from serviceMSHRTargets

Change 8ba77ae8fc98a355082da2bd9fdc6ecf4928f725 introduced the
writebacks parameter, but it was never used.

Change-Id: I225e5b399de42d77c72fc0012d3dc93ef39b8853
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/14896
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
6 files changed