add riscv64im-unknown-openvm-elf tier 3 target#3

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feat/riscv64im-unknown-openvm-elf

Commits on Apr 30, 2026

add riscv64im-unknown-openvm-elf tier 3 target

Tuanlinh12312
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claude
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Commits on May 1, 2026

add build and release workflows for custom toolchain

Tuanlinh12312
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claude
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fix: add target sanity check workaround for bootstrap

Tuanlinh12312
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claude
committed
fix: auto-detect host triple instead of using input parameter

Tuanlinh12312
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claude
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