[S] Change in coreboot[main]: soc/intel/common: Make use of is_devfn_enabled()

[Felix Singer (Code Review)]

Attention is currently required from: Felix Singer.

Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/82119?usp=email

to look at the new patch set (#4).

Change subject: soc/intel/common: Make use of is_devfn_enabled()
......................................................................

soc/intel/common: Make use of is_devfn_enabled()

Using is_devfn_enabled() cleans up some code and even makes the method
is_graphics_disabled() superfluous.

Change-Id: I6e3dcc456d56b35c94c226ade0414e5c94d4c641
Signed-off-by: Felix Singer 
---
M src/soc/intel/common/block/graphics/graphics.c
M src/soc/intel/common/block/gspi/gspi.c
M src/soc/intel/common/block/i2c/i2c.c
3 files changed, 4 insertions(+), 14 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/19/82119/4