driver core: Silence device links sphinx warning

Silence this warning emitted by sphinx:
include/linux/device.h:938: warning: No description found for parameter 'links'

While at it, fix typos in comments of device links code.

Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Silvio Fricke <silvio.fricke@gmail.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/device.h b/include/linux/device.h
index 4cd8e52..67bbbee 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -817,6 +817,7 @@
  * 		on.  This shrinks the "Board Support Packages" (BSPs) and
  * 		minimizes board-specific #ifdefs in drivers.
  * @driver_data: Private pointer for driver specific info.
+ * @links:	Links to suppliers and consumers of this device.
  * @power:	For device power management.
  * 		See Documentation/power/devices.txt for details.
  * @pm_domain:	Provide callbacks that are executed during system suspend,