update sdk

bitsk · bitsk · commit c2f58dbbf964 · 2019-03-31T13:51:13.000+08:00
diff --git a/cores/arduino/kendryte-standalone-sdk b/cores/arduino/kendryte-standalone-sdk
@@ -1 +1 @@
-Subproject commit 7440800a8e6c6ee760e8f3a761fe366fbc3972cd
+Subproject commit ee61b9eefdee2a9c36cab0856c0323a0b966ebbc
