override picutils' error logger; it has an exit() call

Summary:
instead simply run the output through qwarning as a cheap
solution.

FIXED-IN: 5.18.0
BUG: 382979

Test Plan: builds, dont have a device without pci

Reviewers: ngraham

Reviewed By: ngraham

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D26807