CHG: 'lf cotag demod' - now finds FC/CN Thanks to @marshmellow42

CHG:  'lf search' - now detects COTAG

client/cmdlfcotag.h

@@ -11,14 +11,18 @@
 #ifndef CMDLFCOTAG_H__
 #define CMDLFCOTAG_H__
 
+#include "proxmark3.h"  // Definitions, USB controls, COTAG_BITS
 #include "util.h"       // FALSE / TRUE
-#include "proxmark3.h"  // Definitions, USB controls, etc
 #include "cmddata.h"	// getSamples
 #include "cmdparser.h"  // CmdsParse, CmdsHelp
 #include "cmdmain.h"
 #include "ui.h"			// PrintAndLog
 #include "cmdlf.h"		// Setconfig 
 
+#ifndef COTAG_BITS
+#define COTAG_BITS 320
+#endif
+
 int CmdLFCOTAG(const char *Cmd);
 int CmdCOTAGRead(const char *Cmd);
 int CmdCOTAGDemod(const char *Cmd);