Ozone updates.

Ozone updates.

cpu/ozone/front_end.hh:
cpu/ozone/front_end_impl.hh:
cpu/ozone/lw_back_end.hh:
    Support latency for Ozone FE and BE.
cpu/ozone/lw_back_end_impl.hh:
    Support latency for Ozone FE and BE.

    Also fixes for switching out, profiling.
cpu/ozone/lw_lsq.hh:
cpu/ozone/lw_lsq_impl.hh:
    Fixes for switching out.
cpu/ozone/simple_params.hh:
    Updated parameters.

--HG--
extra : convert_revision : 21d4846a59a2239bfdf8fe92e47fd0972debe4f5