ar71xx: disable ath79 in order to get rid of Kconfig warnings

SVN-Revision: 29711

target/linux/ar71xx/patches-2.6.39/400-mips-disable-ath79-platform.patch

+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -757,7 +757,7 @@ endchoice
+ 
+ source "arch/mips/alchemy/Kconfig"
+ source "arch/mips/ar71xx/Kconfig"
+-source "arch/mips/ath79/Kconfig"
++# source "arch/mips/ath79/Kconfig"
+ source "arch/mips/bcm63xx/Kconfig"
+ source "arch/mips/jazz/Kconfig"
+ source "arch/mips/jz4740/Kconfig"