xive/p9: remove XIVE_INT_SAFETY_GAP
xive/p9: remove XIVE_INT_SAFETY_GAP

It was used by bringup code only.

Using HW interrupt numbers in a high range was a way to check that HW
interrupt numbers (OPAL) and logical interrupt numbers (Linux) were
not getting mixed in the event queues.

Signed-off-by: Cédric Le Goater <2d8cace2254d4e43578d21933db015d84bcc468a@kaod.org>
Signed-off-by: Oliver O'Halloran <3dfaff8fa6ae977f042064a112a6aac576279b9b@gmail.com>

shenki/skiboot,shenki/skiboot,qemu/skiboot,shenki/skiboot,qemu/skiboot,legoater/skiboot,shenki/skiboot,qemu/skiboot,shenki/skiboot,open-power/skiboot,legoater/skiboot,legoater/skiboot,open-power/skiboot,qemu/skiboot,qemu/skiboot,legoater/skiboot,legoater/skiboot,open-power/skiboot,open-power/skiboot,open-power/skiboot