default or selected kernelversion does not have config value CONFIG_ATARI_PAMSNET.
Result is shown for kernelversion 5.4.123

PAMsNet support

modulename: atari_pamsnet.ko

configname: CONFIG_ATARI_PAMSNET

Linux Kernel Configuration
└─>Networking support
└─>Ethernet (10 or 100Mbit)
└─>PAMsNet support
In linux kernel since version 2.6.12  
Say Y to include support for the PAMsNet Ethernet adapter for the
ACSI port ("ACSI node"). The driver works (has to work...) with a
polled I/O scheme, so it's rather slow :-(

source code:
depends
CONFIG_ATARI
CONFIG_ATARI_ACSI
CONFIG_BROKEN
CONFIG_NETDEVICES
CONFIG_NET_ETHERNET
NOT CONFIG_UML