initial commit

arch/Config.in

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+source "arch/arm/Config.in"
+source "arch/aarch64/Config.in"
+source "arch/x86_64/Config.in"

arch/aarch64/Config.in

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+config SIMPLE_AARCH64
+    bool "aarch64"

arch/arm/Config.in

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+config SIMPLE_ARM
+    bool "arm"

arch/x86_64/Config.in

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+config SIMPLE_X86_64
+    bool "x86_64"