CONFIG_ARCH_OMAP850 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
OMAP850 Based System
modulename: gpio7xx.ko
configname: CONFIG_ARCH_OMAP850
Linux Kernel Configuration
└─>TI OMAP1
└─>TI OMAP1 specific features
└─>OMAP850 Based System