L2CA_FlushChannel() function

CLASSIC_BT_INCLUDED == TRUE * Function L2CA_FlushChannel * Description This function flushes none, some or all buffers queued up * for xmission for a particular CID. If called with * L2CAP_FLUSH_CHANS_GET (0), it simply returns the number * of buffers queued for that CID L2CAP_FLUSH_CHANS_ALL (0xffff) * flushes all buffers. All other values specifies the maximum * buffers to flush. * Returns Number of buffers left queued for that CID