xive: Move xive_provision_cpu() around
xive: Move xive_provision_cpu() around

More logical organisation of the code.

Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

qemu/skiboot,legoater/skiboot,stewart-ibm/skiboot,shenki/skiboot,legoater/skiboot,open-power/skiboot,open-power/skiboot,shenki/skiboot,qemu/skiboot,stewart-ibm/skiboot,legoater/skiboot,stewart-ibm/skiboot,qemu/skiboot,shenki/skiboot,mikey/skiboot,shenki/skiboot,qemu/skiboot,open-power/skiboot,open-power/skiboot,mikey/skiboot,qemu/skiboot,shenki/skiboot,legoater/skiboot,legoater/skiboot,open-power/skiboot,mikey/skiboot