kernelconfig_penguin
CONFIG_ARC_DSP_USERSPACE is not available for the default architecture x86.
Result is shown for architecture arc

Support DSP for userspace apps

configname: CONFIG_ARC_DSP_USERSPACE

DSP support
└─> Support DSP for userspace apps

DSP extension presence in HW, support save / restore DSP registers to
run DSP-enabled userspace applications