CONFIG_TEGRA_EMC_SCALING_ENABLE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_TEGRA_EMC_SCALING_ENABLE.
Result is shown for kernelversion 6.5.1

Enable scaling the memory frequency

configname: CONFIG_TEGRA_EMC_SCALING_ENABLE

Linux Kernel Configuration
└─>NVIDIA Tegra options
└─>Enable scaling the memory frequency
In linux kernel since version 2.6.39 (release Date: 2011-05-18)