[L] Change in coreboot[master]: soc/intel/{adl,common}: provide a list of D-states to enter LPM

[Tarun Tuli (Code Review)]

Attention is currently required from: Eran Mitrani, Subrata Banik.

Tarun Tuli has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/70166 )

Change subject: soc/intel/{adl,common}: provide a list of D-states to enter LPM
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Patch Set 9:

(4 comments)

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

https://review.coreboot.org/c/coreboot/+/70166/comment/98d284b6_36d4a3c6 
PS9, Line 31: 	LPI_REVISION_0
We should set explicit values for these in the enums.  Or make them defines?

https://review.coreboot.org/c/coreboot/+/70166/comment/5c7285cd_f5f38bac 
PS9, Line 35: 	LPI_DISANBLED,
LPI_DISABLED

https://review.coreboot.org/c/coreboot/+/70166/comment/d26297df_0200cdeb 
PS9, Line 479: return the number of devices included
it seems we aren't returning anything

https://review.coreboot.org/c/coreboot/+/70166/comment/66e42291_13e1e5a7 
PS9, Line 493: 		acpi_gen_default_lpi_constraints();
I think this can be cleaned up.  If we are returning, we don't need the else.