fsp/console: Allocate irq for each hvc console
fsp/console: Allocate irq for each hvc console

Allocate an irq number for each hvc console and set its interrupt-parent
property so that Linux can use the opal irqchip instead of the
OPAL_EVENT_CONSOLE_INPUT interface.

Signed-off-by: Samuel Mendoza-Jonas <f16bed56189e249fe4ca8ed10a1ecae60e8ceac0@mendozajonas.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

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