ADD: the option to simulate tnp3xxx inthe command "hf mf sim"

ADD: found some new default keys
ADD: changed alot of memorys buffers to use constant values.  like usbbuffer sizes, tracelogs, etc etc
ADD: all changes Peter filmoore has in his pull request.

armsrc/util.c

@@ -85,6 +85,15 @@ int32_t le24toh (uint8_t data[3])
     return (data[2] << 16) | (data[1] << 8) | data[0];
 }
 
+//added here for parity calulations
+uint8_t oddparity(uint8_t bt)
+{
+   uint16_t v = bt;
+   v ^= v >> 4;
+   v &= 0xF;
+   return ((0x9669 >> v) & 1);
+}
+
 void LEDsoff()
 {
 	LED_A_OFF();