wcn36xx: clean up some inconsistent indenting

Eliminate the follow smatch warning:
drivers/net/wireless/ath/wcn36xx/smd.c:3151
wcn36xx_smd_gtk_offload_get_info_rsp() warn: inconsistent indenting
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220408000113.129906-1-yang.lee@linux.alibaba.com