Change in flashrom[master]: pcidev.c: Simplify by consolidating common logic

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Edward O'Callaghan, Angel Pons.
Hello build bot (Jenkins), Angel Pons,

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

https://review.coreboot.org/c/flashrom/+/59281

to look at the new patch set (#6).

Change subject: pcidev.c: Simplify by consolidating common logic
......................................................................

pcidev.c: Simplify by consolidating common logic

As observed by Angel Pons, It looks like `pci_filter_init()`
initialises the device ID to -1
 https://github.com/pciutils/pciutils/blob/master/lib/filter.c#L23
that allows for filtering for any device for a given vendor.

BUG=b:220950271
TEST=builds

Change-Id: I0048fc6ab816d230ff48c84bc17122431753d55d
Signed-off-by: Edward O'Callaghan 
---
M pcidev.c
1 file changed, 29 insertions(+), 40 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/81/59281/6