[PATCH] raid6: fix riscv symbol undeclared warnigns

[Paul Walmsley]

On Mon, 22 Jun 2026, Ben Dooks wrote:

> The riscv rvv.c file is missing the include of pq_arch.h
> which defines all the exported functions. Include this
> to remove the following sparse warnings:
> 
> lib/raid/raid6/riscv/rvv.c:1225:1: warning: symbol 'raid6_rvvx1' was not declared. Should it be static?
> lib/raid/raid6/riscv/rvv.c:1226:1: warning: symbol 'raid6_rvvx2' was not declared. Should it be static?
> lib/raid/raid6/riscv/rvv.c:1227:1: warning: symbol 'raid6_rvvx4' was not declared. Should it be static?
> lib/raid/raid6/riscv/rvv.c:1228:1: warning: symbol 'raid6_rvvx8' was not declared. Should it be static?
> 
> Signed-off-by: Ben Dooks <ben.dooks at codethink.co.uk>

Thanks, queued for v7.2-rc.

- Paul