Change in coreboot[master]: utils/inteltool: Do more refactoring

[Felix Singer (Code Review)]

Hello Marius Genheimer, Patrick Rudolph, Matt DeVillier, Thomas Heijligen, Paul Menzel, Stefan Reinauer, build bot (Jenkins), Nico Huber,

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

https://review.coreboot.org/c/coreboot/+/33422

to look at the new patch set (#5).

Change subject: utils/inteltool: Do more refactoring
......................................................................

utils/inteltool: Do more refactoring

* Add new method `print_system_info` to get a better idea what this
  code does
* Assign PCI devices through switch case by checking the device classes

Change-Id: Idb0c6953aee1ace275206fa4a2c16fa477bad5ec
Signed-off-by: Felix Singer 
---
M util/inteltool/inteltool.c
M util/inteltool/inteltool.h
2 files changed, 81 insertions(+), 92 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/22/33422/5