CONFIG_SH_7206_SOLUTION_ENGINE is not available for the selected architecture x86.
Result is shown for architecture sh

SolutionEngine7206

configname: CONFIG_SH_7206_SOLUTION_ENGINE

Linux Kernel Configuration
└─>Board support
└─>SolutionEngine7206
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Select 7206 SolutionEngine if configuring for a Hitachi SH7206
evaluation board.