PCI: imx6: Make reset-gpio optional

Some boards do not have a PCIe reset GPIO.  To avoid probe failure on these
boards, make the reset GPIO optional as well.

[bhelgaas: whitespace fixes]
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Jingoo Han <[email protected]>
Acked-by: Shawn Guo <[email protected]>
Cc: Frank Li <[email protected]>
Cc: Harro Haan <[email protected]>
Cc: Mohit KUMAR <[email protected]>
Cc: Pratyush Anand <[email protected]>
Cc: Richard Zhu <[email protected]>
Cc: Sascha Hauer <[email protected]>
Cc: Sean Cross <[email protected]>
Cc: Siva Reddy Kallam <[email protected]>
Cc: Srikanth T Shivanand <[email protected]>
Cc: Tim Harvey <[email protected]>
Cc: Troy Kisky <[email protected]>
Cc: Yinghai Lu <[email protected]>

0 files changed, 0 insertions, 0 deletions