ar9170: update Makefile, Kconfig and MAINTAINERS

This patch update all necessary Makefile and Kconfig files.

Now you can then enable ar9170 in the kernel configuration under:
Device Drivers --->
	[*] Network device support --->
		Wireless LAN --->
			[*] Wireless LAN (IEEE 802.11)
			<M>   Atheros AR9170 support
			<M>     Atheros AR9170 USB support

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index bdadcb3..64c89c2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -765,6 +765,14 @@
 L:	ath9k-devel@lists.ath9k.org
 S:	Supported
 
+ATHEROS AR9170 WIRELESS DRIVER
+P:	Christian Lamparter
+M:	chunkeey@web.de
+L:	linux-wireless@vger.kernel.org
+W:	http://wireless.kernel.org/en/users/Drivers/ar9170
+S:	Maintained
+F:	drivers/net/wireless/ar9170/
+
 ATI_REMOTE2 DRIVER
 P:	Ville Syrjala
 M:	syrjala@sci.fi