[media] rc/Kconfig: fix indentation problem

The RC_ST and IR_SUNXI entries have weird indentation, and the RC_ST
entry is actually malformed. Fix it.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/rc/Kconfig

@@ -371,7 +371,7 @@ config RC_ST
 	tristate "ST remote control receiver"
 	depends on RC_CORE
 	depends on ARCH_STI || COMPILE_TEST
-	help
+	---help---
 	   Say Y here if you want support for ST remote control driver
 	   which allows both IR and UHF RX.
 	   The driver passes raw pulse and space information to the LIRC decoder.