CONFIG_DT_BCM96358NB4SER is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_DT_BCM96358NB4SER.
Result is shown for kernelversion 5.4.33

BCM96358NB4SER

configname: CONFIG_DT_BCM96358NB4SER

Built-in device tree
└─>BCM96358NB4SER
In linux kernel since version 4.7 (release Date: 2016-07-24)