[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/meta/poky/meta-selftest/recipes-test/recipetool/files/add-file.patch b/meta/poky/meta-selftest/recipes-test/recipetool/files/add-file.patch
new file mode 100644
index 0000000..bdc99c9
--- /dev/null
+++ b/meta/poky/meta-selftest/recipes-test/recipetool/files/add-file.patch
@@ -0,0 +1,8 @@
+diff --git a/file2 b/file2
+new file mode 100644
+index 0000000..049b42e
+--- /dev/null
++++ b/file2
+@@ -0,0 +1,2 @@
++Test file 2
++456