[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/scatter/scripts/nand-setting.txt b/src/bsp/scatter/scripts/nand-setting.txt
new file mode 100644
index 0000000..5d76981
--- /dev/null
+++ b/src/bsp/scatter/scripts/nand-setting.txt
@@ -0,0 +1,2 @@
+MX30LF1G18AC	2048
+MX30LF4G18AC	2048