[BUGFIX]OTA

Change-Id: Ie6a28491d475a4641f593cb001f0a3b18e938f79
diff --git a/env.sh b/env.sh
index 516d833..421cc59 100755
--- a/env.sh
+++ b/env.sh
@@ -1,2 +1,4 @@
+chmod 664 meta/poky/scripts/postinst-intercepts/*
+chmod 775 meta/poky/scripts/postinst-intercepts/postinst_intercept
 export TEMPLATECONF=${PWD}/meta/meta-mediatek-mt2731/conf/base/auto2731evb-ivt-main
 source meta/poky/oe-init-build-env