kvm/ppc: Hold srcu lock when calling kvm_io_bus_read/write
kvm/ppc: Hold srcu lock when calling kvm_io_bus_read/write

These functions do an srcu_dereference without acquiring the srcu lock
themselves.

Signed-off-by: Scott Wood <b77916c2feab81a70245e7b5671f4f02730ebf64@freescale.com>
Signed-off-by: Alexander Graf <3ad82b0c937b9aa51276120cedd545efc822be04@suse.de>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs