CONFIG_ARCH_VIPER is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Arcom/Eurotech VIPER SBC
modulename: viper.ko
configname: CONFIG_ARCH_VIPER
Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>Arcom/Eurotech VIPER SBC