riscv: Add KGDB support

The skeleton of RISC-V KGDB port.

Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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Vincent Chen 2020-04-16 10:38:05 +08:00 • committed by Palmer Dabbelt
commit fe89bd2be8
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