Extend device_id config field to 32 characters, including trailing null

modules/include/config.h

@@ -34,7 +34,7 @@
 #include "user_config.h"
 typedef struct{
 	uint32_t cfg_holder;
-	uint8_t device_id[16];
+	uint8_t device_id[32];
 
 	uint8_t sta_ssid[64];
 	uint8_t sta_pwd[64];