CONFIG_ARCH_BCM_23550 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Broadcom BCM23550 SoC
modulename: board_bcm23550.ko
configname: CONFIG_ARCH_BCM_23550
Linux Kernel Configuration
└─>Broadcom SoC Support
└─>Broadcom BCM23550 SoC
In linux kernel since version 3.10 (release Date: 2013-06-30)
Enable support for the BCM23550.