[mgsim] Added additional DCache debugging.
[mgsim] Added additional DCache debugging.

The DCache's "read" command now also prints the list of registers waiting on the cache-line.



git-svn-id: 5df9d7b5f7c0affc7b6f3523bb99fcf0586782cc@3977 e97e5017-a994-416e-809d-76780e9f78db

Bitblade-org/mgsim,Bitblade-org/mgsim,Bitblade-org/mgsim,Bitblade-org/mgsim