lsusb | cut -c34-
mostraria o que você precisa.
$ lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 04f2:b3fd Chicony Electronics Co., Ltd
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ lsusb | cut -c34-
Intel Corp.
Linux Foundation 2.0 root hub
Intel Corp.
Linux Foundation 2.0 root hub
Linux Foundation 3.0 root hub
Chicony Electronics Co., Ltd
Linux Foundation 2.0 root hub