Fixing the device id for Cots UE quectel

Changed from ls /dev/cdc* to /dev/cdc-wdm0

requested review from @defosseu

assigned to @arora

Passing after inserting the simcom module in the bench:

https://jenkins-oai.eurecom.fr/job/OAI-CN5G-COTS-UE-Test-Dev/48/

approved this merge request

merged

mentioned in commit d5fb5b73