CONFIG_SH_HP680 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
default or selected kernelversion does not have config value CONFIG_SH_HP680.
Result is shown for kernelversion 5.4.123

HP680

configname: CONFIG_SH_HP680

SuperH system type
└─>HP680
In linux kernel since version 2.6.12  
Select HP680 if configuring for a HP Jornada HP680.
More information (hardware only) at
<http://www.hp.com/jornada/products/680/>.