ramips: dont set illacc to y by default

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45795 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ramips/patches-3.18/999-disable_illacc.patch

+--- a/arch/mips/ralink/Kconfig
++++ b/arch/mips/ralink/Kconfig
+@@ -13,9 +13,9 @@
+ 	select CEVT_SYSTICK_QUIRK
+ 
+ config RALINK_ILL_ACC
+-	bool
++	bool "illegal access irq"
+ 	depends on SOC_RT305X
+-	default y
++	default n
+ 
+ config IRQ_INTC
+ 	bool