[Bugfix]fix mk_sdk.sh

Change-Id: I12ed1ff33d93ae1e96ba93615f20696ab9ebb3ec
diff --git a/mk_sdk.sh b/mk_sdk.sh
index 7d10083..3f57509 100755
--- a/mk_sdk.sh
+++ b/mk_sdk.sh
@@ -8,6 +8,8 @@
 cd  ${TOPDIR}/build/tmp/deploy/images/sdk/
 tar -xvf ./meta-sdk.tar.gz
 sleep 2s
+chmod 777 env-SDK.sh
 .  ./env-SDK.sh
 cd ../
+chmod 777 make.sh
 ./make.sh