modify bearpi  helloworld sdkconfig
@@ -39,5 +39,7 @@ CONFIG_OC_LWM2M_TYPE = "none"
CONFIG_LOADER_ENABLE = n
CONFIG_OC_LWM2M_DEMO_TYPE= "none"
CONFIG_OC_MQTT_DEMO_TYPE= "none"
+CONFIG_DEMO_ENABLE= y
+CONFIG_DEMO_TYPE= "none"
CONFIG_USER_DEMO = "hello_world_demo"
\ No newline at end of file
