[PATCH] riscv: Fix typo in purgatory end label

[Paul Walmsley]

On Wed, 25 Mar 2026, Zishun Yi wrote:

> Fix the spelling of 'purgatory' in the .Lkexec_purgatroy_end label.
> 
> Signed-off-by: Zishun Yi <vulab at iscas.ac.cn>

Thanks, queued for v7.0-rc.


- Paul