Use RubyPrefetcherProxy to support prefetchers in the CHI cache controller L1I/L1D/L2 prefechers can now be added by specifying a non-null prefetcher type when configuring a CHI_RNF. Related JIRA: https://gem5.atlassian.net/browse/GEM5-457 https://gem5.atlassian.net/browse/GEM5-1112 Additional authors: Tuan Ta <tuan.ta2@arm.com> Change-Id: I41dc637969acaab058b22a8c9c3931fa137eeace Signed-off-by: Tiago Mück <tiago.muck@arm.com>