@PowerShell.exe -executionpolicy bypass -Command "Write-Host 'The Motherboards Firmware is:'$env:firmware_type
I guess I should have tagged it with code to make it show the entire entry for everyone.

PowerShell.exe -executionpolicy bypass -Command "Write-Host 'The Motherboards Firmware is:'$env:firmware_type

You are missing the PowerShell version...
get-tpm will show a whole bunch of information about your computer's TPM situation but if you are looking specifically to see if the chip is present then...

Another powershell method is:
$env:firmware_type