dm: fix comments

The struct udevice stands for a device, not a driver.
The driver_info.name is a driver's name, which is referenced
to bind devices.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm/platdata.h b/include/dm/platdata.h
index 2bc8b14..7716f19 100644
--- a/include/dm/platdata.h
+++ b/include/dm/platdata.h
@@ -14,7 +14,7 @@
 /**
  * struct driver_info - Information required to instantiate a device
  *
- * @name:	Device name
+ * @name:	Driver name
  * @platdata:	Driver-specific platform data
  */
 struct driver_info {