[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/mips/ar7/Makefile b/src/kernel/linux/v4.14/arch/mips/ar7/Makefile
new file mode 100644
index 0000000..cd51c6c
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/mips/ar7/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y := \
+	prom.o \
+	setup.o \
+	memory.o \
+	irq.o \
+	time.o \
+	platform.o \
+	gpio.o \
+	clock.o