default or selected kernelversion does not have config value CONFIG_EWRK3.
Result is shown for kernelversion 6.2.5

EtherWORKS 3 (DE203, DE204, DE205) support

modulename: ewrk3.ko

configname: CONFIG_EWRK3

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (10 or 100Mbit)
└─>EtherWORKS 3 (DE203, DE204, DE205) support
In linux kernel since version 2.6.12  
This driver supports the DE203, DE204 and DE205 network (Ethernet)
cards. If this is for you, say Y and read
Documentation/networking/ewrk3.txt in the kernel source as
well as the Ethernet-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.

To compile this driver as a module, choose M here. The module
will be called ewrk3.

source code: