of/dma: mpc512x_dma.c: Fix build failures

Fixes build errors caused by the:
 - OF device_node pointer being moved into struct device
 - removal of the match_table field from struct of_platform_driver
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/dma/mpc512x_dma.c

@@ -630,7 +630,7 @@ mpc_dma_prep_memcpy(struct dma_chan *chan, dma_addr_t dst, dma_addr_t src,
 static int __devinit mpc_dma_probe(struct of_device *op,
 					const struct of_device_id *match)
 {
-	struct device_node *dn = op->node;
+	struct device_node *dn = op->dev.of_node;
 	struct device *dev = &op->dev;
 	struct dma_device *dma;
 	struct mpc_dma *mdma;
@@ -771,12 +771,12 @@ static struct of_device_id mpc_dma_match[] = {
 };
 
 static struct of_platform_driver mpc_dma_driver = {
-	.match_table	= mpc_dma_match,
 	.probe		= mpc_dma_probe,
 	.remove		= __devexit_p(mpc_dma_remove),
 	.driver = {
 		.name = DRV_NAME,
 		.owner = THIS_MODULE,
+		.of_match_table	= mpc_dma_match,
 	},
 };