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

[Subrata Banik (Code Review)]

Attention is currently required from: Tarun Tuli, Kapil Porwal.

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

Change subject: soc/intel: Create common function to check PCH slot
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Patch Set 5: Code-Review+1

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/71236/comment/6543f178_d596f9b7 
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.