Add crossystem fwupdate_tries and fix nv storage writes

utility/crossystem_main.c

Index: utility/crossystem_main.c
diff --git a/utility/crossystem_main.c b/utility/crossystem_main.c
index 133ab007d0a366494875a50e88ee4df2b123f0ff..0d44b99ab5a18d6e2673d3800787eaa7539a1136 100644
--- a/utility/crossystem_main.c
+++ b/utility/crossystem_main.c
@@ -62,6 +62,7 @@ const Param sys_param_list[] = {
   {"recovery_request", CAN_WRITE, "Recovery mode request (writable)"},
   {"dbg_reset", CAN_WRITE, "Debug reset mode request (writable)"},
   {"fwb_tries", CAN_WRITE, "Try firmware B count (writable)"},
+  {"fwupdate_tries", CAN_WRITE, "Times to try OS firmware update (writable)"},
   {"vbtest_errfunc", CAN_WRITE, "Verified boot test error function (writable)"},
   {"vbtest_errno", CAN_WRITE, "Verified boot test error number (writable)"},
   /* Fields not shown in a print-all list */