sh: Properly wire up channel 2's I/O window on SH7786 PCIe.

An IORESOURCE_IO was missing here, which meant that we weren't properly
establishing the I/O window for this particular slot. With this
corrected, cards with I/O BARs have them actually assigned and
accessible.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/drivers/pci/pcie-sh7786.c

@@ -82,6 +82,7 @@ static struct resource sh7786_pci2_resources[] = {
 		.name	= "PCIe2 IO",
 		.start	= 0xfc800000,
 		.end	= 0xfc800000 + SZ_4M - 1,
+		.flags	= IORESOURCE_IO,
 	}, {
 		.name	= "PCIe2 MEM 0",
 		.start	= 0x80000000,