main: add command for booting

source/main.c

@@ -12,6 +12,7 @@
 #include <rtc.h>
 #include <shell.h>
 
+#include <shell/boot.h>
 #include <shell/echo.h>
 #include <shell/mufs.h>
 #include <shell/rtc.h>
@@ -29,6 +30,7 @@ struct cmd user_cmds[] = {
 	{ "ls", "", shell_ls },
 	{ "date", "", shell_date },
 	{ "time", "", shell_time },
+	{ "booting", "", shell_prepare },
 	{ NULL, NULL, NULL },
 };