default or selected kernelversion does not have config value CONFIG_NET_VENDOR_SMC.
Result is shown for kernelversion 6.2.5

Western Digital/SMC cards

configname: CONFIG_NET_VENDOR_SMC

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (10 or 100Mbit)
└─>Western Digital/SMC cards
In linux kernel since version 2.6.12  
If you have a network (Ethernet) card belonging to this class, say Y
and read the Ethernet-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.

Note that the answer to this question doesn't directly affect the
kernel: saying N will just cause the configurator to skip all
the questions about Western Digital cards. If you say Y, you will be
asked for your specific card in the following questions.