CONFIG_ARCH_SA1100 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
SA1100-based
configname: CONFIG_ARCH_SA1100
ARM system type
└─>SA1100-based
In linux kernel since version 2.6.12
Support for StrongARM 11x0 based boards.
selects
CONFIG_CLKSRC_MMIOCONFIG_CPU_SA1100
CONFIG_ISA
CONFIG_ARCH_SPARSEMEM_ENABLE
CONFIG_ARCH_MTD_XIP
CONFIG_ARCH_HAS_CPUFREQ
CONFIG_CPU_FREQ
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_HAVE_CLK
CONFIG_HAVE_SCHED_CLOCK
CONFIG_TICK_ONESHOT
CONFIG_ARCH_REQUIRE_GPIOLIB