[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/sparc/prom/Makefile b/src/kernel/linux/v4.14/arch/sparc/prom/Makefile
new file mode 100644
index 0000000..397b79a
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/sparc/prom/Makefile
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for the Sun Boot PROM interface library under
+# Linux.
+#
+asflags := -ansi
+ccflags := -Werror
+
+lib-y                 := bootstr_$(BITS).o
+lib-y                 += init_$(BITS).o
+lib-$(CONFIG_SPARC32) += memory.o
+lib-y                 += misc_$(BITS).o
+lib-$(CONFIG_SPARC32) += mp.o
+lib-$(CONFIG_SPARC32) += ranges.o
+lib-y                 += console_$(BITS).o
+lib-y                 += printf.o
+lib-y                 += tree_$(BITS).o
+lib-$(CONFIG_SPARC64) += p1275.o
+lib-$(CONFIG_SPARC64) += cif.o