[MIPS] define Hit_Invalidate_I to Index_Invalidate_I for loongson2

Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index 293697b..19a0e54 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -9,6 +9,7 @@
 obj-$(CONFIG_64BIT)		+= pgtable-64.o
 obj-$(CONFIG_HIGHMEM)		+= highmem.o
 
+obj-$(CONFIG_CPU_LOONGSON2)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_CPU_MIPS32)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_CPU_MIPS64)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_CPU_NEVADA)	+= c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o