stats: Update ARM FS stats.

stats: Update ARM FS stats.

The change below changed the behavior of interrupts on ARM and changed the
stats for the 10.linux-boot regression.

    commit 746e2f3c27ad83c36b7bc3b8bd3c92004fcf995b
    Author: Sudhanshu Jha <sudhanshu.jha@arm.com>
    Date:   Mon Feb 27 10:29:56 2017 +0000

        arm, kmi: Clear interrupts in KMI devices

Change-Id: Ie1cfc26777f6ed2d3fd4340175941fda1fdb5b6a
Reviewed-on: https://gem5-review.googlesource.com/2653
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>