Change in coreboot[master]: soc/intel/common/gpio: Add gpio_routes_ioapic_irq function

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Nico Huber, Furquan Shaikh.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/49407 )

Change subject: soc/intel/common/gpio: Add gpio_routes_ioapic_irq function
......................................................................

Patch Set 8:

(1 comment)

File src/soc/intel/common/block/gpio/gpio.c:

https://review.coreboot.org/c/coreboot/+/49407/comment/ff6759d8_695080ed 
PS7, Line 653: gpio_routes_ioapic_irq
> > I think it would be perfectly legal to program a GPIO for IOAPIC in romstage (perhaps uncommon), b […]

All excellent points, always one step ahead of me 😉 Let me time this, if it's not too bad, I'd rather stick with this as the shared state is only in one place (the HW register) 😊