Change in flashrom[master]: pcidev: Move pci_dev_find() from internal to canonical place

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Nico Huber, Edward O'Callaghan.
Hello build bot (Jenkins), Nico Huber, Thomas Heijligen, Anastasia Klimchuk,

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

https://review.coreboot.org/c/flashrom/+/59280

to look at the new patch set (#7).

Change subject: pcidev: Move pci_dev_find() from internal to canonical place
......................................................................

pcidev: Move pci_dev_find() from internal to canonical place

Also rename to `pcidev_find()` in fitting with pcidev.c helpers.

BUG=b:220950271
TEST=```sudo ./flashrom -p internal -r /tmp/bios
<snip>
Found Programmer flash chip "Opaque flash chip" (16384 kB, Programmer-specific) mapped at physical address 0x0000000000000000.
Reading flash... done.
```

Change-Id: Ie21f87699481a84398ca4450b3f03548f0528191
Signed-off-by: Edward O'Callaghan 
---
M board_enable.c
M chipset_enable.c
M internal.c
M pcidev.c
M programmer.h
M sb600spi.c
6 files changed, 32 insertions(+), 33 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/80/59280/7