CONFIG_DT_SFR_NEUFBOX4_SERCOMM is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

SFR Neufbox 4 (Sercomm)

configname: CONFIG_DT_SFR_NEUFBOX4_SERCOMM

Built-in device tree
└─>SFR Neufbox 4 (Sercomm)
In linux kernel since version 4.1 (release Date: 2015-06-21)