CONFIG_MPC8555_CDS is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
default or selected kernelversion does not have config value CONFIG_MPC8555_CDS.
Result is shown for kernelversion 5.4.123

Freescale MPC8555 CDS

modulename: mpc85xx_cds_common.ko

and/or

todc_time.ko

configname: CONFIG_MPC8555_CDS

Machine Type
└─>Freescale MPC8555 CDS
In linux kernel since version 2.6.12  
This option enablese support for the MPC8555 CDS evaluation board.