[PATCH] ath11k: Mark two variables as __maybe_unused

[YueHaibing]

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>
---
 drivers/net/wireless/ath/ath11k/debug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c
index 0a3cfa716390..0b7842e8cc58 100644
--- a/drivers/net/wireless/ath/ath11k/debug.c
+++ b/drivers/net/wireless/ath/ath11k/debug.c
@@ -12,7 +12,7 @@
 #include "debug_htt_stats.h"
 #include "peer.h"
 
-static const char *htt_bp_umac_ring[HTT_SW_UMAC_RING_IDX_MAX] = {
+static const __maybe_unused char *htt_bp_umac_ring[HTT_SW_UMAC_RING_IDX_MAX] = {
 	"REO2SW1_RING",
 	"REO2SW2_RING",
 	"REO2SW3_RING",
@@ -33,7 +33,7 @@ static const char *htt_bp_umac_ring[HTT_SW_UMAC_RING_IDX_MAX] = {
 	"REO_STATUS_RING",
 };
 
-static const char *htt_bp_lmac_ring[HTT_SW_LMAC_RING_IDX_MAX] = {
+static const __maybe_unused char *htt_bp_lmac_ring[HTT_SW_LMAC_RING_IDX_MAX] = {
 	"FW2RXDMA_BUF_RING",
 	"FW2RXDMA_STATUS_RING",
 	"FW2RXDMA_LINK_RING",
-- 
2.17.1