[M] Change in coreboot[main]: soc/intel/common/block/pmc: Add GPE1 functions

[Subrata Banik (Code Review)]

Attention is currently required from: Anil Kumar K, Bora Guvendik, Cliff Huang, Hannah Williams, Jamie Ryu.

Subrata Banik has posted comments on this change by Cliff Huang. ( https://review.coreboot.org/c/coreboot/+/84104?usp=email )

Change subject: soc/intel/common/block/pmc: Add GPE1 functions
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Patch Set 8:

(1 comment)

File src/soc/intel/common/block/pmc/pmclib.c:

https://review.coreboot.org/c/coreboot/+/84104/comment/5f145c9b_d89b27ac?usp... :
PS3, Line 406: pmc_clear_gpi_gpe0_status
> Subrata,
>
> pmc_disable_all_gpe() is called in smm_southbridge_enable function in  src/soc/intel/common/block/smm/smm.c.
>
> from SOC cpu.c, we have MP OPS:
> .pre_mp_smm_init = smm_initialize,    <- NOTE: GPE STS bits are cleared here
>
> .post_mp_init = post_mp_init,         <- NOTE: GPE EN bits are cleared here
>
> This should still be earlier enough.

we wish to call the API to clear all pending GPE as part of the shutdown flow so,it can be leveraged by both payload and kernel shutdown handler. I don't see any reason to pull that elsewhere.