Change in coreboot[master]: soc/intel/tigerlake: Make use of is_devfn_enabled() function

[Subrata Banik (Code Review)]

Attention is currently required from: Furquan Shaikh, Tim Wawrzynczak, Angel Pons, Patrick Rudolph.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55330 )

Change subject: soc/intel/tigerlake: Make use of is_devfn_enabled() function
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Patch Set 6:

(1 comment)

File src/soc/intel/tigerlake/fsp_params.c:

https://review.coreboot.org/c/coreboot/+/55330/comment/68ea40d1_0d271f2c 
PS6, Line 260: 	/* Enable xDCI controller if enabled in devicetree and allowed */
             : 	dev = pcidev_path_on_root(PCH_DEVFN_USBOTG);
             : 	if (dev) {
             : 		if (!xdci_can_enable())
             : 			dev->enabled = 0;
             : 		params->XdciEnable = dev->enabled;
             : 	} else {
             : 		params->XdciEnable = 0;
             : 	}
> Tim, as i have posted in ADL CL, can we take removal of dev->enabled using https://review.coreboot. […]

Marking this also ACK, as same implementation as ADL and other SOC. Tim, please let me know if you see otherwise?