Avoid warning: print out hw_status_page as the pointer it now is.

drivers/char/drm/i810_dma.c

@@ -414,7 +414,7 @@ static int i810_dma_initialize(drm_device_t *dev,
 		return -ENOMEM;
 	}
    	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-   	DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
+   	DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
 
 	I810_WRITE(0x02080, dev_priv->dma_status_page);
    	DRM_DEBUG("Enabled hardware status page\n");