USB not initialized does not trigger a fatal error

[gabryelreyes]

Current behaviour:
Error in the USB Driver does not trigger a fatal error and the system continues the initialization.

Expected behaviour:
Fatal error, and the system stops working.

Log

[D]	Zumo32U4.cpp:1213	Resetting USB Host Shield now!
[D]	Zumo32U4.cpp:1217	De-Registering ACM/CDC device instance now!
[D]	Zumo32U4.cpp:1220	Fully re-set the USB HOST Shield and cleared ACM!
[E]	Zumo32U4.cpp:1229	Could not initialize USB driver!
[E]	System.cpp:168	Could not open the Zumo32U4 driver!
[D]	System.cpp:175	Successfully started websocket API timeout service
[I]	HTTPWebServer.cpp:79	Registered file serving route
[I]	HTTPWebServer.cpp:82	Registered websocket API route
[D]	System.cpp:188	HTTPs and WSS servers successfully started
[I]	System.cpp:199	++++++++++++++++ Done ++++++++++++++++

Issue found in PCB Number 1