[M] Change in coreboot[master]: soc/intel/: Rename small and big cores references

[Subrata Banik (Code Review)]

Attention is currently required from: Tarun Tuli, Kapil Porwal, Sridhar Siricilla, Werner Zeh.

Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/71639 )

Change subject: soc/intel/: Rename small and big cores references
......................................................................

Patch Set 2:

(4 comments)

Patchset:

PS2: 
wondering if we can create a custom data structure and use it ?

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

https://review.coreboot.org/c/coreboot/+/71639/comment/97f3fe53_618e638a 
PS2, Line 20: 
```
struct core_scale_factor {
   uint16_t performance_core;
   uint16_t efficient_core;
};

```

https://review.coreboot.org/c/coreboot/+/71639/comment/125ce1fa_e45d3c65 
PS2, Line 22: u16 *perf_core_scal_factor, u16 *eff_core_scal_factor
struct core_scale_factor *scale_factor

File src/soc/intel/meteorlake/cpu.c:

https://review.coreboot.org/c/coreboot/+/71639/comment/3695a47d_0289070c 
PS2, Line 90: u16 *perf_core_scal_factor, u16 *eff_core_scal_factor
```
void soc_get_scaling_factor(struct core_scale_factor *scale_factor)
{
   scale_factor->performance_core = 125;
   scale_factor->efficient_core = 100;
}
```