CONFIG_SCC1_ENET is not available for thedefaultarchitecture x86.
Result is shown for architecture ppc
default or selected kernelversion does not have config value CONFIG_SCC1_ENET.
Result is shown for kernelversion 5.4.123

SCC1

configname: CONFIG_SCC1_ENET

SCC used for Ethernet
└─>SCC1
In linux kernel since version 2.6.12  
Use MPC8xx serial communications controller 1 to drive Ethernet
(default).