mem-cache: Delete squashed HWPrefetches

Request and Packet for squashed HWPrefetches were not deleted

Change-Id: I9b66bb01b8ed6a5ddfaaa8739a68165dc4a7006c
Signed-off-by: Pau Cabre <pau.cabre@metempsy.com>
Reviewed-on: https://gem5-review.googlesource.com/4340
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
1 file changed