CONFIG_NETtel is not available for the selected architecture x86.
Result is shown for architecture m68k
SecureEdge/NETtel board support
modulename: nettel.ko
configname: CONFIG_NETtel
Linux Kernel Configuration
└─>SecureEdge/NETtel board support
In linux kernel since version 2.6.12 )
Support for the SnapGear NETtel/SecureEdge/SnapGear boards.