[PATCH] ath11k: Mark two variables as __maybe_unused

[Kalle Valo]

YueHaibing <yuehaibing at huawei.com> writes:

> Fix -Wunused-variable warnings:
>
> drivers/net/wireless/ath/ath11k/debug.c:36:20: warning: ‘htt_bp_lmac_ring’ defined but not used [-Wunused-variable]
> drivers/net/wireless/ath/ath11k/debug.c:15:20: warning: ‘htt_bp_umac_ring’ defined but not used [-Wunused-variable]
>
> Signed-off-by: YueHaibing <yuehaibing at huawei.com>

I don't like __maybe_unused so I decided to fix this with some refactoring:

[1/4] ath11k: refactor debugfs code into debugfs.c
https://patchwork.kernel.org/patch/11781017/

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