drivers: Trivial - drop trailing blank lines at EOF

Change-Id: Ie80c87c614a536cc6b0bdbf196c280b64547d3b7
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6203
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/drivers/net/ns8390.h

@@ -107,4 +107,3 @@ struct ringbuffer {
  *  c-basic-offset: 8
  * End:
  */
-