V4L/DVB (6450): tda9887: add missing module license

This module was always GPL, and will remain GPL

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index 4f5d76f..080bd30 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -666,6 +666,8 @@
 }
 EXPORT_SYMBOL_GPL(tda9887_attach);
 
+MODULE_LICENSE("GPL");
+
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * ---------------------------------------------------------------------------