ipq807x: Fixed the PCIE linkup failure leads to crash

If the PCIE cards are not connected, executing the pci
commands lead to the crash.

Change-Id: Id68ab1a39bfc3319d17af2fe6a3c8d4c1af039b0
Signed-off-by: smuthayy <smuthayy@codeaurora.org>
1 file changed