Xhorse Dolphin Condor V1.5.6 fix M4 Clamp Decoding

 Xhorse Dolphin and Condor firmware V1.5.6 fixed M4 Clamp Decoding issue.

V1.5.6 (2010-10-28)

This version need to update the firmware.

Fix universal key duplication about M4 clamp decoding.