Move RS-232 status under debug. Fix #2 from list.

src/console_completion.c

@@ -11,13 +11,14 @@
 #include "linenoise/linenoise.h"
 
 static const char *const s_root_candidates[] = {
-    "help", "status", "debug", "display", "serial", "broker", "usb", "user",
+    "help", "debug", "display", "serial", "broker", "usb", "user",
     "wifi", "web", "ssh", "ping", "nslookup", "traceroute", "reboot", "memory",
 };
 
 /* Keep full-line candidate strings grouped by their registered root command. */
 static const char *const s_completion_candidates[] = {
     /* Hardware debug commands and safe fixed arguments. */
+    "debug status",
     "debug transceiver",
     "debug transceiver enable",
     "debug transceiver disable",