mem-ruby: add missing response for ReadOnce

When HNF snoops an RNF with SnpOnce to process
ReadOnce request (e.g. DMA read request),
the RNF can respond with SnpRespData_UC if the cache line is in UC.
Thus, SnpRespData_UC was added to the transition events.

Change-Id: Ife242e75feb9d2451eb99511e21833d9d190a6c3
Maintainer: Jason Lowe-Power <>
Reviewed-by: Tiago Muck <>
Tested-by: kokoro <>
Reviewed-by: Jason Lowe-Power <>
1 file changed