CONFIG_NIOS2 is not available for thedefaultarchitecture x86.
Result is shown for architecture nios2
CONFIG_NIOS2 (not configurable)
configname: CONFIG_NIOS2
Linux Kernel Configuration
└─>NIOS2
In linux kernel since version 3.10 (release Date: 2013-06-30)
selects
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIBCONFIG_CLKSRC_OF
CONFIG_GENERIC_ATOMIC64
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_GENERIC_CPU_DEVICES
CONFIG_GENERIC_IRQ_PROBE
CONFIG_GENERIC_IRQ_SHOW
CONFIG_HAVE_ARCH_TRACEHOOK
CONFIG_IRQ_DOMAIN
CONFIG_MODULES_USE_ELF_RELA
CONFIG_OF
CONFIG_OF_EARLY_FLATTREE
CONFIG_SOC_BUS
CONFIG_SPARSE_IRQ
CONFIG_USB_ARCH_HAS_HCD