[media] MAINTAINERS: update RTL2832_SDR location

It is moved out of staging to media.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

MAINTAINERS

@@ -7585,7 +7585,7 @@ W:	http://palosaari.fi/linux/
 Q:	http://patchwork.linuxtv.org/project/linux-media/list/
 T:	git git://linuxtv.org/anttip/media_tree.git
 S:	Maintained
-F:	drivers/staging/media/rtl2832u_sdr/rtl2832_sdr*
+F:	drivers/media/dvb-frontends/rtl2832_sdr*
 
 RTL8180 WIRELESS DRIVER
 M:	"John W. Linville" <linville@tuxdriver.com>