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

CONFIG_SUPERH (not configurable)

modulename: setup-bus.ko

configname: CONFIG_SUPERH

Linux/SuperH 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/>.

source code:
drivers/pci/
selects
CONFIG_EMBEDDED
CONFIG_HAVE_CLK
CONFIG_HAVE_IDE
CONFIG_HAVE_OPROFILE
CONFIG_HAVE_GENERIC_DMA_COHERENT
CONFIG_EXPERT
CONFIG_CLKDEV_LOOKUP
CONFIG_HAVE_MEMBLOCK
CONFIG_HAVE_MEMBLOCK_NODE_MAP
CONFIG_ARCH_DISCARD_MEMBLOCK
CONFIG_HAVE_ARCH_TRACEHOOK
CONFIG_HAVE_DMA_API_DEBUG
CONFIG_HAVE_DMA_ATTRS
CONFIG_HAVE_IRQ_WORK
CONFIG_HAVE_PERF_EVENTS
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
CONFIG_PERF_USE_VMALLOC
CONFIG_HAVE_KERNEL_GZIP
CONFIG_HAVE_KERNEL_BZIP2
CONFIG_HAVE_KERNEL_LZMA
CONFIG_HAVE_KERNEL_XZ
CONFIG_HAVE_KERNEL_LZO
CONFIG_HAVE_SYSCALL_TRACEPOINTS
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API
CONFIG_HAVE_GENERIC_HARDIRQS
CONFIG_MAY_HAVE_SPARSE_IRQ
CONFIG_IRQ_FORCED_THREADING
CONFIG_RTC_LIB
CONFIG_GENERIC_ATOMIC64
CONFIG_GENERIC_IRQ_SHOW
CONFIG_ARCH_HAS_PTE_SPECIAL
CONFIG_ARCH_HAS_TICK_BROADCAST
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT
CONFIG_ARCH_NO_COHERENT_DMA_MMAP
CONFIG_HAVE_PATA_PLATFORM
CONFIG_NO_BOOTMEM
CONFIG_HAVE_DEBUG_BUGVERBOSE
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL
CONFIG_HAVE_DEBUG_KMEMLEAK
CONFIG_CPU_NO_EFFICIENT_FFS
CONFIG_HAVE_UID16
CONFIG_ARCH_WANT_IPC_PARSE_VERSION
CONFIG_GENERIC_SMP_IDLE_THREAD
CONFIG_GENERIC_IDLE_POLL_SETUP
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_GENERIC_CMOS_UPDATE
CONFIG_GENERIC_SCHED_CLOCK
CONFIG_GENERIC_STRNCPY_FROM_USER
CONFIG_GENERIC_STRNLEN_USER
CONFIG_HAVE_MOD_ARCH_SPECIFIC
CONFIG_MODULES_USE_ELF_RELA
CONFIG_OLD_SIGSUSPEND
CONFIG_OLD_SIGACTION
CONFIG_HAVE_ARCH_AUDITSYSCALL
CONFIG_HAVE_FUTEX_CMPXCHG
CONFIG_HAVE_NMI
CONFIG_NEED_SG_DMA_LENGTH
CONFIG_DMA_DECLARE_COHERENT
CONFIG_GENERIC_PCI_IOMAP
CONFIG_NO_GENERIC_PCI_IOPORT_MAP
CONFIG_PCI_DOMAINS
CONFIG_ARCH_HAS_GIGANTIC_PAGE
CONFIG_ARCH_HAS_BINFMT_FLAT
CONFIG_HAVE_FAST_GUP