ath10k: Use ARRAY_SIZE

fix coccinelle warning, use ARRAY_SIZE
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath10k/snoc.c

@@ -976,8 +976,7 @@ static int ath10k_snoc_wlan_enable(struct ath10k *ar,
 				  sizeof(struct ath10k_svc_pipe_cfg);
 	cfg.ce_svc_cfg = (struct ath10k_svc_pipe_cfg *)
 		&target_service_to_ce_map_wlan;
-	cfg.num_shadow_reg_cfg = sizeof(target_shadow_reg_cfg_map) /
-					sizeof(struct ath10k_shadow_reg_cfg);
+	cfg.num_shadow_reg_cfg = ARRAY_SIZE(target_shadow_reg_cfg_map);
 	cfg.shadow_reg_cfg = (struct ath10k_shadow_reg_cfg *)
 		&target_shadow_reg_cfg_map;