Use even higher baudrate

src/main.c

@@ -78,7 +78,7 @@ void main(void) {
 #if defined(__AVR__)
     serialInit(0, BAUD(38400, F_CPU));
 #else
-    serialInit(0, BAUD(115200, F_CPU));
+    serialInit(0, BAUD(230400, F_CPU));
 #endif
 #endif