iprutils: Can't find firmware file if firmware format is pci.xxx format
iprutils: Can't find firmware file if firmware format is pci.xxx format

Customer uses iprconifg GUI interface to update adapter firmware.
If firmware format in /lib/firmware is pci.xxx, iprconfig can't find
firmware file. This patch fixes the issue.

Signed-off-by: Wen Xiong<3f05dffe35fb464944196f1f9341b62f07cb8996@linux.vnet.ibm.com>

leitao/iprutils