CONFIG_SUPERH is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

CONFIG_SUPERH (not configurable)

configname: CONFIG_SUPERH

Linux Kernel Configuration
└─>SUPERH
In linux kernel since version 2.6.12  
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
gaming console. The SuperH port has a home page at
<http://www.linux-sh.org/>.

selects
CONFIG_ARCH_32BIT_OFF_T
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
CONFIG_ARCH_HAS_BINFMT_FLAT
CONFIG_ARCH_HAS_CPU_FINALIZE_INIT
CONFIG_ARCH_HAS_CURRENT_STACK_POINTER
CONFIG_ARCH_HAS_GIGANTIC_PAGE
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL
CONFIG_ARCH_HAS_PTE_SPECIAL
CONFIG_ARCH_HAS_TICK_BROADCAST
CONFIG_ARCH_HIBERNATION_POSSIBLE
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT
CONFIG_ARCH_WANT_IPC_PARSE_VERSION
CONFIG_CPU_NO_EFFICIENT_FFS
CONFIG_DMA_DECLARE_COHERENT
CONFIG_GENERIC_ATOMIC64
CONFIG_GENERIC_CMOS_UPDATE
CONFIG_GENERIC_IDLE_POLL_SETUP
CONFIG_GENERIC_IRQ_SHOW
CONFIG_GENERIC_LIB_ASHLDI3
CONFIG_GENERIC_LIB_ASHRDI3
CONFIG_GENERIC_LIB_LSHRDI3
CONFIG_GENERIC_PCI_IOMAP
CONFIG_GENERIC_SCHED_CLOCK
CONFIG_GENERIC_SMP_IDLE_THREAD
CONFIG_GUP_GET_PXX_LOW_HIGH
CONFIG_HAS_IOPORT
CONFIG_HAVE_ARCH_AUDITSYSCALL
CONFIG_HAVE_ARCH_KGDB
CONFIG_HAVE_ARCH_SECCOMP_FILTER
CONFIG_HAVE_ARCH_TRACEHOOK
CONFIG_HAVE_DEBUG_BUGVERBOSE
CONFIG_HAVE_DEBUG_KMEMLEAK
CONFIG_HAVE_DYNAMIC_FTRACE
CONFIG_HAVE_FAST_GUP
CONFIG_HAVE_FUNCTION_GRAPH_TRACER
CONFIG_HAVE_FUNCTION_TRACER
CONFIG_HAVE_FTRACE_MCOUNT_RECORD
CONFIG_HAVE_HW_BREAKPOINT
CONFIG_HAVE_IOREMAP_PROT
CONFIG_HAVE_KERNEL_BZIP2
CONFIG_HAVE_KERNEL_GZIP
CONFIG_HAVE_KERNEL_LZMA
CONFIG_HAVE_KERNEL_LZO
CONFIG_HAVE_KERNEL_XZ
CONFIG_HAVE_KPROBES
CONFIG_HAVE_KRETPROBES
CONFIG_HAVE_MIXED_BREAKPOINTS_REGS
CONFIG_HAVE_MOD_ARCH_SPECIFIC
CONFIG_HAVE_NMI
CONFIG_HAVE_PATA_PLATFORM
CONFIG_HAVE_PERF_EVENTS
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API
CONFIG_HAVE_UID16
CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK
CONFIG_HAVE_STACKPROTECTOR
CONFIG_HAVE_SYSCALL_TRACEPOINTS
CONFIG_IRQ_FORCED_THREADING
CONFIG_LOCK_MM_AND_FIND_VMA
CONFIG_MODULES_USE_ELF_RELA
CONFIG_NEED_SG_DMA_LENGTH
CONFIG_NO_DMA
CONFIG_NO_GENERIC_PCI_IOPORT_MAP
CONFIG_OLD_SIGACTION
CONFIG_OLD_SIGSUSPEND
CONFIG_PCI_DOMAINS
CONFIG_PERF_EVENTS
CONFIG_PERF_USE_VMALLOC
CONFIG_RTC_LIB
CONFIG_SPARSE_IRQ
CONFIG_TRACE_IRQFLAGS_SUPPORT