pci: fix uio driver dependency
pci: fix uio driver dependency

Allow to run without igb_uio if probed devices don't require it.

The condition for exiting with an error is:
 - Tested driver is needed by a probed device
 AND
 - Tested driver needs igb_uio

Signed-off-by: Damien Millescamps <4b72284df888c49ff7aaa7196e02c39d02a0641e@6wind.com>
Acked-by: Adrien Mazarguil <9d39ea493ca46c560334f650ac5d4b5ffbcb5cf0@6wind.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk