Bit if UI cleanup

src/duskpsp/input/inputpsp.c

@@ -83,6 +83,7 @@ errorret_t inputInitPSP(void) {
   X("cancel", INPUT_ACTION_CANCEL);
   X("triangle", INPUT_ACTION_CONSOLE);
   X("select", INPUT_ACTION_RAGEQUIT);
+  X("start", INPUT_ACTION_PAUSE);
   X("lstick_up", INPUT_ACTION_UP);
   X("lstick_down", INPUT_ACTION_DOWN);
   X("lstick_left", INPUT_ACTION_LEFT);