CONFIG_COBRA5282 is not available for the selected architecture x86.
Result is shown for architecture m68k

senTec COBRA5282 board support

configname: CONFIG_COBRA5282

Linux Kernel Configuration
└─>senTec COBRA5282 board support
In linux kernel since version 2.6.12 )
Support for the senTec COBRA5282 board.
selects
CONFIG_senTec

depends
CONFIG_M528x