[PATCH] config/riscv: add rv64gcv cross compilation target

[Thomas Monjalon]

23/09/2025 17:07, sunyuechi at iscas.ac.cn:
> From: Sun Yuechi <sunyuechi at iscas.ac.cn>
> 
> Add a cross file for rv64gcv, enable it in devtools/test-meson-builds.sh,
> and update the RISC-V cross-build guide to support the vector extension.
> 
> Signed-off-by: Sun Yuechi <sunyuechi at iscas.ac.cn>

In general for RISC-V patches, I wish to see more collaboration
between contributors interested by this architecture.

This patch has no review but looks harmless,
except adding one more build in devtools/test-meson-builds.sh.
I'm not sure we want to run this build in most CI runs.
Maybe we want to replace the generic RISC-V build with the vector one.
It could be discussed in another patch.

Applied without adding in test-meson-builds.sh, thanks.