ADD: standalone mode : LF HID corporate 1000 bruteforce by @federicodotta et al.

https://github.com/federicodotta/proxmark3

--adjusted to fit iceman fork and latest enhancements to LF
(untested)

FIX:  some calls to deviceside demods, use 0 instead of reference.
ADD:  timeout after n cycles of simulating

armsrc/Standalone/lf_hidbrute.h

@@ -0,0 +1,23 @@
+//-----------------------------------------------------------------------------
+// Samy Kamkar 2012
+// Christian Herrmann, 2017
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// StandAlone Mod
+//-----------------------------------------------------------------------------
+
+#ifndef __LF_SAMYRUN_H
+#define __LF_SAMYRUN_H
+
+//#include <stdbool.h> // for bool
+#include "standalone.h" // standalone definitions
+#include "apps.h" // debugstatements, lfops?
+
+#define OPTS 3
+
+void hid_corporate_1000_calculate_checksum_and_set( uint32_t *high, uint32_t *low, uint32_t cardnum, uint32_t fc);
+
+#endif /* __LF_SAMYRUN_H */