[M] Change in coreboot[master]: soc/intel: Create common function to check PCH slot

[Kapil Porwal (Code Review)]

Attention is currently required from: Tarun Tuli, Subrata Banik.

Kapil Porwal has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/71236 )

Change subject: soc/intel: Create common function to check PCH slot
......................................................................

Patch Set 6:

(1 comment)

File src/soc/intel/common/block/include/intelblocks/irq.h:

https://review.coreboot.org/c/coreboot/+/71236/comment/f952142d_fda43eb8 
PS5, Line 71: a slot belongs to PCH IP of SoC die or is a root
            :  * port from IOE die.
> nit: a slot belongs to the SoC or IOE die.

Ack