Add support for CHNV settings to crossystem.

utility/crossystem_main.c

 /* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Chrome OS firmware/system interface utility
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 14 matching lines @@
   {"devsw_boot", 0, 0, "Developer switch position at boot"},
   {"recoverysw_cur", 0, 0, "Recovery switch current position"},
   {"recoverysw_boot", 0, 0, "Recovery switch position at boot"},
   {"recoverysw_ec_boot", 0, 0, "Recovery switch position at EC boot"},
   {"wpsw_cur",  0, 0, "Firmware write protect switch current position"},
   {"wpsw_boot", 0, 0, "Firmware write protect switch position at boot"},
   /* Read-only strings */
   {"hwid", 1, 0, "Hardware ID"},
   {"fwid", 1, 0, "Active firmware ID"},
   {"ro_fwid", 1, 0, "Read-only firmware ID"},
+  /* Writable integers */
+  {"recovery_request", 0, 1, "Recovery mode request (writable)"},
+  {"dbg_reset", 0, 1, "Debug reset mode request (writable)"},
+  {"fwb_tries", 0, 1, "Try firmware B count (writable)"},
+
   /* Terminate with null name */
   {NULL, 0, 0, NULL}
 };
 
 
 /* Print help */
 void PrintHelp(const char *progname) {
   const Param *p;
 
   printf("\nUsage:\n"
@@ skipping 124 matching lines @@
     if (i > 1)
       printf(" ");  /* Output params space-delimited */
     if (value)
       retval = SetParam(p, value);
     else
       retval = PrintParam(p);
   }
 
   return retval;
 }