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

DEPCA, DE10x, DE200, DE201, DE202, DE422 support

modulename: depca.ko

configname: CONFIG_DEPCA

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (10 or 100Mbit)
└─>DEPCA, DE10x, DE200, DE201, DE202, DE422 support
In linux kernel since version 2.6.12  
If you have a network (Ethernet) card of this type, say Y and read
the Ethernet-HOWTO, available from
<http://www.tldp.org/docs.html#howto> as well as
<file:drivers/net/depca.c>.

To compile this driver as a module, choose M here. The module
will be called depca.

source code: