CONFIG_ARCH_TEGRA is not available for the selected architecture x86.
Result is shown for architecture arm
NVIDIA Tegra
modulename: irq-tegra.ko
configname: CONFIG_ARCH_TEGRA
Linux Kernel Configuration
└─>NVIDIA Tegra
In linux kernel since version 2.6.36 (release Date: 2010-10-20)
This enables support for NVIDIA Tegra based systems.