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

[Subrata Banik (Code Review)]

Attention is currently required from: Furquan Shaikh, Tim Wawrzynczak, Patrick Rudolph.
Hello build bot (Jenkins), Furquan Shaikh, Tim Wawrzynczak, Angel Pons, Patrick Rudolph,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/55331

to look at the new patch set (#2).

Change subject: soc/intel/elkhartlake: Make use of is_devfn_enabled() function
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soc/intel/elkhartlake: Make use of is_devfn_enabled() function

1. Replace all pcidev_path_on_root() and is_dev_enabled() functions
combination with is_devfn_enabled().
2. Remove unused local variable of device structure type (struct device *).
3. Replace pcidev_path_on_root() and dev->enabled check with is_devfn_enabled()
call.

TEST=Able to build and boot without any regression seen on EHL.

Signed-off-by: Subrata Banik 
Change-Id: Iadf9145a11f27ff0e182f146b6fe5a01e6cf3ed8
---
M src/soc/intel/elkhartlake/acpi.c
M src/soc/intel/elkhartlake/fsp_params.c
M src/soc/intel/elkhartlake/romstage/fsp_params.c
3 files changed, 11 insertions(+), 27 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/31/55331/2