Jeff,
In /opt there are only the following folders;
lora
node-red
serial-streamer
If I do a lsmod I get;
admin@mtcdt:/opt# lsmod
Module Size Used by
nf_nat_ftp 1468 0
nf_conntrack_ftp 5583 1 nf_nat_ftp
usb_f_acm 4199 1
u_serial 8936 3 usb_f_acm
g_serial 1738 0
libcomposite 26763 2 usb_f_acm,g_serial
configfs 20798 3 usb_f_acm,libcomposite
bluetooth 194336 0
mac80211 237934 0
cfg80211 183437 1 mac80211
rfkill 10109 2 cfg80211,bluetooth
option 27053 1
usb_storage 36961 0
usb_wwan 5438 1 option
qmi_wwan 10487 0
usbserial 19217 4 option,usb_wwan
cdc_wdm 9527 1 qmi_wwan
usbnet 17249 1 qmi_wwan
mii 3429 1 usbnet
mts_io 50871 0
vizzini 15862 2
cdc_acm 14885 0
tmp102 2732 0
spidev 4904 2
atmel_mci 12966 0
atmel_usba_udc 11246 0
udc_core 6158 2 atmel_usba_udc,libcomposite
spi_atmel 10487 0
pps_gpio 2351 0
pps_core 7419 1 pps_gpio
uio_pdrv_genirq 2706 0
uio 6938 1 uio_pdrv_genirq