stats: Add a boat load of stats to the SPARC solaris boot regression.

stats: Add a boat load of stats to the SPARC solaris boot regression.

A large number of stats were added by the following change:

    commit 5350879f499470a2683dfec6cff021dd7ac20fa6
    Author: David Guillen Fandos <david.guillen@arm.com>
    Date:   Mon Jun 6 17:16:43 2016 +0100

        pwr: Add power states to ClockedObject

Change-Id: Iec32bb7f701db0a09be26fe5ffb2812385f972c2
Reviewed-on: https://gem5-review.googlesource.com/2642
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>