[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/meta/meta-mediatek-mt2731/recipes-devtools/flashtool/files/align_4kb.py b/meta/meta-mediatek-mt2731/recipes-devtools/flashtool/files/align_4kb.py
new file mode 100644
index 0000000..c9c9a99
--- /dev/null
+++ b/meta/meta-mediatek-mt2731/recipes-devtools/flashtool/files/align_4kb.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+import sys
+import os
+
+
+if len(sys.argv) != 2:
+    print('Usage : align_4kb [file_name]')
+    sys.exit()
+
+if not os.path.isfile(sys.argv[1]):
+    print(sys.argv[1] + ' not exist')
+    sys.exit()
+
+if os.path.getsize(sys.argv[1]) % 4096 == 0:
+    print('file size is 4KB alignment')
+    sys.exit()
+
+file_src = sys.argv[1]
+file_dst = os.path.splitext(
+    file_src)[0] + "_original" + os.path.splitext(file_src)[1]
+
+if os.path.exists(file_dst):
+    os.remove(file_dst)
+
+os.rename(file_src, file_dst)
+
+file_src = file_dst
+file_dst = sys.argv[1]
+
+with open(file_dst, 'ab') as fdst:
+    with open(file_src, 'rb') as fsrc:
+        data = fsrc.read()
+        len_diff = 4096 - len(data) % 4096
+        fdst.write(data)
+    if len_diff:
+        fdst.write(b'\xff' * len_diff)