NACK: CMNT: [SRU][Q][PATCH v3] selftests/powerpc: Suppress -Wmaybe-uninitialized with GCC 15

[Po-Hsu Lin]

Hello Zixing,
Please provide a cover letter with the SRU template [1],
also, the BugLink should match with the expected format [2].

[1] https://documentation.ubuntu.com/project/SRU/reference/bug-template/
[2] https://canonical-kernel-docs.readthedocs-hosted.com/reference/patch-acceptance-criteria/#buglink

Thanks!