CONFIG_SH_7724_SOLUTION_ENGINE is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

SolutionEngine7724

configname: CONFIG_SH_7724_SOLUTION_ENGINE

Linux Kernel Configuration
└─>Board support
└─>SolutionEngine7724
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Select 7724 SolutionEngine if configuring for a Hitachi SH7724
evaluation board.