leds: triggers: oneshot: fix module license specification

The header of this file fixes the license to GPL 2 only without the
option to use later version. So use the string "GPL v2" that is to be
used in this case.

Signed-off-by: Uwe Kleine-König <[e-mail]>
Acked-by: Fabio Baltieri <[e-mail]>
Signed-off-by: Jacek Anaszewski <[e-mail]>

drivers/leds/trigger/ledtrig-oneshot.c

···
 
 MODULE_AUTHOR("Fabio Baltieri <[e-mail]>");
 MODULE_DESCRIPTION("One-shot LED trigger");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");