CONFIG_BCM63XX_CPU_6362 is not available for the selected architecture x86.
Result is shown for architecture mips

support 6362 CPU

configname: CONFIG_BCM63XX_CPU_6362

Linux Kernel Configuration
└─>CPU support
└─>support 6362 CPU
In linux kernel since version 3.1 (release Date: 2011-10-24)

depends
CONFIG_BCM63XX