CONFIG_CPU_ADVANCED is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Override CPU Options

configname: CONFIG_CPU_ADVANCED

Linux/MIPS Kernel Configuration
└─>CPU selection
└─>Override CPU Options
In linux kernel since version 2.6.12  
Saying yes here allows you to select support for various features
your CPU may or may not have. Most people should say N here.