[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/support/bootctrl/Makefile.am b/src/support/bootctrl/Makefile.am
new file mode 100644
index 0000000..900a7f8
--- /dev/null
+++ b/src/support/bootctrl/Makefile.am
@@ -0,0 +1,3 @@
+SUBDIRS = \
+  include \
+  mediatek/bootctrl
\ No newline at end of file