[FS#350] Lantiq: ARV4518pw and ARV7518pw both are stuck in endless reboots

[LEDE Bugs]

The following task is now closed:

FS#350 - Lantiq: ARV4518pw and ARV7518pw both are stuck in endless reboots
User who did this - Mathias Kresin (mkresin)

Reason for closing: Fixed
Additional comments about closing: Kernel crash is fixed with https://git.lede-project.org/b35a41c139ec995e1d3096ce962f020053f3056e.

The not working serial console is fixed with https://git.lede-project.org/d8dde8c5178eba8c847dd48e7d06e6663ba1979f.

The underlying issue - not working usb - is tracked in FS#351.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=350