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

[Angel Pons (Code Review)]

Attention is currently required from: Furquan Shaikh, Tim Wawrzynczak, Subrata Banik, Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55329 )

Change subject: soc/intel/jasperlake: Make use of is_devfn_enabled() function
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Patch Set 1: Code-Review+1

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/55329/comment/9ccb23d1_f1483c55 
PS1, Line 194: 			dev->enabled = 0;
This also disabled the device in the devicetree