This adds empty definitions for the PCI quirks functions when they
should not be included in the kernel.
This is based on a patch by Daniel <daniel@makrotopia.org>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39534 3c298f89-4303-0410-b956-a3cf2f4a3e73