[S] Change in coreboot[main]: mb/google/fatcat: Set frequency and gears for SaGv work points

[Subrata Banik (Code Review)]

Attention is currently required from: Bora Guvendik, Intel coreboot Reviewers, Jayvik Desai, Kapil Porwal, Pranava Y N.

Subrata Banik has posted comments on this change by Bora Guvendik. ( https://review.coreboot.org/c/coreboot/+/86274?usp=email )

Change subject: mb/google/fatcat: Set frequency and gears for SaGv work points
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Patch Set 4:

(1 comment)

File src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/86274/comment/bc72209c_8b16fb13?usp... :
PS4, Line 37: 	register "sagv_gear[0]" = "4"
can you please chip.h enum for defining the Gear selection SAGV points ?

```
enum {
   GEAR_AUTO,
   GEAR_1,
   GEAR_2,
   GEAR_3,
   GEAR_4,
} SAGV_GEAR_SELECTION_POINTS
```

but looks like SaGv gear point values defined in vendorcode needs an update

https://github.com/coreboot/coreboot/blob/main/src/vendorcode/intel/fsp/fsp2...