* import of the 'set-rd-flags+cleanups' patch from Robert Schuster

adds support for setting and clearing the rd flags (no-retu-watchdog,
  serial-console and the like).

  The interface to it is a bit cryptic (construct your own hex number) but
  it works like like 'chmod'.

src/query.h

@@ -0,0 +1,28 @@
+#ifndef QUERY_H_
+#define QUERY_H_
+
+int boot_board(char *cmdline);
+
+int reboot_board();
+
+int get_status();
+
+int get_usb_mode();
+int set_usb_mode(unsigned int);
+
+int get_rd_mode();
+int set_rd_mode(unsigned short mode);
+
+int get_rd_flags();
+int set_rd_flags(unsigned short flags);
+
+int get_hw_revision();
+
+int get_root_device();
+int set_root_device(unsigned short);
+
+int get_nolo_version();
+
+int get_sw_version();
+
+#endif /*QUERY_H_*/