pci: Show the result of binding a device

Update the debugging info a little to show the result of trying to bind
a PCI device.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index ab3e131..4c84c65 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -790,7 +790,7 @@
 		if (!PCI_FUNC(bdf))
 			found_multi = header_type & 0x80;
 
-		debug("%s: bus %d/%s: found device %x, function %d\n", __func__,
+		debug("%s: bus %d/%s: found device %x, function %d", __func__,
 		      bus->seq, bus->name, PCI_DEV(bdf), PCI_FUNC(bdf));
 		pci_bus_read_config(bus, bdf, PCI_DEVICE_ID, &device,
 				    PCI_SIZE_16);
@@ -800,6 +800,7 @@
 
 		/* Find this device in the device tree */
 		ret = pci_bus_find_devfn(bus, PCI_MASK_BUS(bdf), &dev);
+		debug(": find ret=%d\n", ret);
 
 		/* If nothing in the device tree, bind a device */
 		if (ret == -ENODEV) {