[FS#53] uqmi not working with newer Modems like Sierra Wireless EM7455

[LEDE Bugs]

The following task is now closed:

FS#53 - uqmi not working with newer Modems like Sierra Wireless EM7455
User who did this - john (john)

Reason for closing: Won't implement
Additional comments about closing: as bjorn explained, backporting the fixes is too intrusive

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=53