firewire-lib: Extending CIP_EMPTY_HAS_WRONG_DBC for CIP_DBC_IS_END_EVENT

This combination is available.
bebob/firewire-lib: Partially revert for CMP

bebob: Fix a bug to handle packet discontinuity and bus reset
18154c778d0845a9378cbe2145ff9d0abe7d7606

In this commit, I did modify some codes related to CMP.
But I should not have done it because it's in firewire-lib.

This commit solve this issue inner BeBoB driver.
bebob/firewire-lib: improve comments