[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/nds32/mm/Makefile b/src/kernel/linux/v4.19/arch/nds32/mm/Makefile
new file mode 100644
index 0000000..7c5c15a
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/nds32/mm/Makefile
@@ -0,0 +1,11 @@
+obj-y				:= extable.o tlb.o \
+				   fault.o init.o ioremap.o mmap.o \
+                                   mm-nds32.o cacheflush.o proc.o
+
+obj-$(CONFIG_ALIGNMENT_TRAP)	+= alignment.o
+obj-$(CONFIG_HIGHMEM)           += highmem.o
+
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_proc.o     = $(CC_FLAGS_FTRACE)
+endif
+CFLAGS_proc.o              += -fomit-frame-pointer