xen: disable all non-virtual drivers
xen: disable all non-virtual drivers

A domU Xen environment has no non-virtual drivers, so make sure
they're all disabled at once.

Signed-off-by: Jeremy Fitzhardinge <b3f594e10a9edcf5413cf1190121d45078c62290@xensource.com>
Cc: Rusty Russell <df9728c9e5104131c08c7adb03af425394842596@rustcorp.com.au>

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