MERGED: @holimans changes

MERGED: @piwi changes
MERGED: @marshmellows changes.

I'm not even gonna try write up all that stuff..

ADD: changed some commands inside the "Hf 14a sim" on deviceside.
ADD: @mobeius "two nonce" version for mfkey32.   It is also inside the "hf 14a sim" with the "x" parameter.

armsrc/lfsampling.h

@@ -56,4 +56,8 @@ void LFSetupFPGAForADC(int divisor, bool lf_field);
 void setSamplingConfig(sample_config *sc);
 
 sample_config * getSamplingConfig();
+
+void printConfig();
+
+
 #endif // LFSAMPLING_H