[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/env.sh b/env.sh
new file mode 100644
index 0000000..eb209be
--- /dev/null
+++ b/env.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+export TEMPLATECONF=${PWD}/meta/meta-mediatek-mt2735/conf/base/auto2735evb-ivt-main
+source meta/poky/oe-init-build-env