[RESEND PATCH v3 4/7] target/riscv: cpu: Add a config option for native debug

From: Bin Meng Add a config option to enable support for native M-mode debug. This is disabled by default and can be enabled with 'debug=true'. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis --- (no changes since v2) Changes in v2: - change the config option to 'disabled' by default

[PATCH v3 4/7] target/riscv: cpu: Add a config option for native debug

Add a config option to enable support for native M-mode debug. This is disabled by default and can be enabled with 'debug=true'. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis --- (no changes since v2) Changes in v2: - change the config option to 'disabled' by default target/riscv/cp