kconfig: Add kconfig #1109

Job	Run time
build-minimal-sysroots (x86_64)	1m 20s
build-minimal-sysroots (riscv64)	1m 29s
build-minimal-sysroots (arm64)	1m 5s
build-toolchains (ubuntu-latest, x86_64, gnu)	33s
build-toolchains (ubuntu-latest, riscv64, gnu)	45s
build-toolchains (ubuntu-latest, arm64, gnu)	39s
build-toolchains (ubuntu-20.04, x86_64, gnu)	48s
build-toolchains (ubuntu-20.04, riscv64, gnu)	39s
build-toolchains (ubuntu-20.04, arm64, gnu)	39s
build-toolchains (macos-latest, x86_64, gnu)	48s
build-toolchains (macos-latest, riscv64, gnu)	52s
build-toolchains (macos-latest, arm64, gnu)	46s
build-toolchains (ubuntu-latest, llvm, all)	1m 13s
build-riscv	3m 21s
build-llvm	2m 47s
build	2m 45s
build-arm64	2m 39s
build-llvm-arm64	2m 56s
build-llvm-riscv64	2m 43s
run-riscv	0s
run-riscv64-llvm	0s
run-x86_64	0s
run-x86_64-llvm	0s
	28m 47s

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