rpmsg: use proper format-specifier for printing dma_addr_t

The dma_addr_t types can be printed properly using the %pad
printk format-specifier, there is no need to resort to the
unsigned long long type-casting to deal with different possible
type sizes.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

drivers/rpmsg/virtio_rpmsg_bus.c

@@ -991,8 +991,8 @@ static int rpmsg_probe(struct virtio_device *vdev)
 		goto vqs_del;
 	}
 
-	dev_dbg(&vdev->dev, "buffers: va %p, dma 0x%llx\n", bufs_va,
-					(unsigned long long)vrp->bufs_dma);
+	dev_dbg(&vdev->dev, "buffers: va %p, dma %pad\n",
+		bufs_va, &vrp->bufs_dma);
 
 	/* half of the buffers is dedicated for RX */
 	vrp->rbufs = bufs_va;