default or selected kernelversion does not have config value CONFIG_IBM_EMAC_PHY_RX_CLK_FIX.
Result is shown for kernelversion 5.19-rc1

PHY Rx clock workaround

configname: CONFIG_IBM_EMAC_PHY_RX_CLK_FIX

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (10 or 100Mbit)
└─>PHY Rx clock workaround
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Enable this if EMAC attached to a PHY which doesn't generate
RX clock if there is no link, if this is the case, you will
see "TX disable timeout" or "RX disable timeout" in the system
log.

If unsure, say N.