[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/riscv/mm/Makefile b/src/kernel/linux/v4.19/arch/riscv/mm/Makefile
new file mode 100644
index 0000000..eb22ab4
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/riscv/mm/Makefile
@@ -0,0 +1,5 @@
+obj-y += init.o
+obj-y += fault.o
+obj-y += extable.o
+obj-y += ioremap.o
+obj-y += cacheflush.o