CONFIG_OMAP_PM_NONE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_OMAP_PM_NONE.
Result is shown for kernelversion 5.6.18

No PM layer

configname: CONFIG_OMAP_PM_NONE

OMAP PM layer selection
└─>No PM layer
In linux kernel since version 2.6.32 (release Date: 2009-12-02)