CONFIG_RPX8260 is not available for thedefaultarchitecture x86.
Result is shown for architecture ppc
default or selected kernelversion does not have config value CONFIG_RPX8260.
Result is shown for kernelversion 5.19-rc1

RPXSUPER

configname: CONFIG_RPX8260

Machine Type
└─>RPXSUPER
In linux kernel since version 2.6.20 (release Date: 2007-02-04)