ath: add module information

This patch adds licensing, author information and a description to the module.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile
index a005b91..4bb0132 100644
--- a/drivers/net/wireless/ath/Makefile
+++ b/drivers/net/wireless/ath/Makefile
@@ -3,5 +3,4 @@
 obj-$(CONFIG_AR9170_USB)        += ar9170/
 
 obj-$(CONFIG_ATH_COMMON)	+= ath.o
-ath-objs 		:= regd.o
-
+ath-objs 		:= main.o regd.o