[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-tango/Makefile b/src/kernel/linux/v4.14/arch/arm/mach-tango/Makefile
new file mode 100644
index 0000000..da6c633
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-tango/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+plus_sec := $(call as-instr,.arch_extension sec,+sec)
+AFLAGS_smc.o := -Wa,-march=armv7-a$(plus_sec)
+
+obj-y += setup.o smc.o
+obj-$(CONFIG_SMP) += platsmp.o
+obj-$(CONFIG_SUSPEND) += pm.o