amp: Decode Read Data Block Size HCI cmd

Decode Read Data Block Size HCI command and command status.

 < HCI Command: Read Data Block Size (0x04|0x000a) plen 0
 > HCI Event: Command Complete (0x0e) plen 10
    Read Data Block Size (0x04|0x000a) ncmd 1
    status 0x00
    Max ACL 1492 Block len 1492 Num blocks 4
2 files changed