RFR: 8350723: RISC-V: debug.cpp help() is missing riscv line for pns

[Fei Yang]

On Wed, 26 Feb 2025 07:24:48 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> This PR add RISC-V entry line for pns() call in src/hotspot/share/utilities/debug.cpp file. This will be useful when call help() function in gdb. No risk.

Looks good and trivial.

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23793#pullrequestreview-2643450082