libswd_drv: Added debug hint with Request packet decomposition.
libswd_drv: Added debug hint with Request packet decomposition.

cedar-renjun/LibSWD,shangdawei/LibSWD,ongjohn/LibSWD,ongjohn/LibSWD,shangdawei/LibSWD,cedar-renjun/LibSWD,cedar-renjun/LibSWD,ongjohn/LibSWD,shangdawei/LibSWD