tpm_nvinfo displays information about defined NVRAM areas. The user may restrict it to display only a
single NVRAM area by providing an index or may choose ton only list available NVRAM areas indices without
displaying the NVRAM areas' detailed information.
The following options are supported:
-h,--help
Display command usage info.
-v,--version
Display command version info.
-l,--log[none|error|info|debug]
Set logging level.
-i,--index (optional parameter)
Only display the NVRAM area with the given index. If this option is not provided all NVRAM areas will
be displayed.
-n,--list-only (optional parameter)
Only display the defined NVRAM areas' indices.