mem-ruby: fix CHI memory controller

Break up the transition to READING_MEM into two separate steps so
contention at the requestToMemory queue won't block the TBE
initialization.

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

Change-Id: Ifa0ee589bde67eb30e7c0b315ff41f22b61e8db7
Signed-off-by: Tiago Mück <tiago.muck@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/63675
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed