Change in coreboot[master]: soc/intel/{adl, common}: Add routines into CSE IA-common code

[Subrata Banik (Code Review)]

Attention is currently required from: Tim Wawrzynczak, Angel Pons, Nick Vaccaro, Werner Zeh, Patrick Rudolph, EricR Lai.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61518 )

Change subject: soc/intel/{adl, common}: Add routines into CSE IA-common code
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Patch Set 1:

(1 comment)

File src/soc/intel/alderlake/finalize.c:

https://review.coreboot.org/c/coreboot/+/61518/comment/7bf16f7d_24939d82 
PS1, Line 83: /* Function to set D0I3 for all HECI devices */
            : void soc_set_d0i3_for_heci(void)
            : {
            : 	unsigned int cse_dev[] = {
            : 		PCH_DEVFN_CSE,
            : 		PCH_DEVFN_CSE_2,
            : 		PCH_DEVFN_CSE_3,
            : 		PCH_DEVFN_CSE_4
            : 	};
            : 
            : 	for (int i = 0; i < ARRAY_SIZE(cse_dev); i++) {
            : 		if (!is_cse_devfn_visible(cse_dev[i]))
            : 			continue;
            : 
            : 		set_cse_device_state(cse_dev[i], DEV_IDLE);
            : 	}
            : }
            :
> > Could this function just be moved to common code?

The only reason why I would prefer to have HECI device lists coming from SoC layer instead common code because of number of HECI device.

ADL, CNL, ICL, JSL, TGL  => 4 HECI devices
SKL                  => 3 HECI devices

After reading your comments I had another idea, let me try something today.