ath9k: Add new file init.c

Move initialization/de-initialization related
code to this file.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 332d6f2..6b50d5e 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,5 +1,6 @@
 ath9k-y +=	beacon.o \
 		gpio.o \
+		init.o \
 		main.o \
 		recv.o \
 		xmit.o \