Reverse byte order of ATQA calculated by ListenToIsoCard14443TypeA (issue 2004) (#2005)

The two bytes of the ATQA need to be treated as a little-endian integer.
Co-authored-by: NJohn D. Bruner <brunerhome@live.com>

src/devices/Mfrc522/Mfrc522.cs

@@ -264,7 +264,7 @@ namespace Iot.Device.Mfrc522
             }
             while (true);
 
-            card.Atqa = BinaryPrimitives.ReadUInt16BigEndian(atqa);
+            card.Atqa = BinaryPrimitives.ReadUInt16LittleEndian(atqa);
             var status = Select(out byte[]? nfcId, out byte sak);
             if (status != Status.Ok)
             {