CONFIG_CPU_BMIPS32_3300 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

CONFIG_CPU_BMIPS32_3300 (not configurable)

configname: CONFIG_CPU_BMIPS32_3300

Linux Kernel Configuration
└─>CPU selection
└─>CPU_BMIPS32_3300
In linux kernel since version 3.14 (release Date: 2014-03-30)  
selects
CONFIG_SMP_UP

is depended by
CONFIG_CPU_BMIPS