CONFIG_SH_7751_SOLUTION_ENGINE is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

SolutionEngine7751

modulename: fixups-se7751.ko

configname: CONFIG_SH_7751_SOLUTION_ENGINE

SuperH system type
└─>SolutionEngine7751
In linux kernel since version 2.6.12  
Select 7751 SolutionEngine if configuring for a Hitachi SH7751
evaluation board.