ath10k: make fw stats prints specific to firmware version

The patch makes debug stats prints fw specific by adding a new member
in wmi_ops. That way it's easier to add fw_stats support to 10.4 firmware.

Signed-off-by: Manikanta Pubbisetty <c_mpubbi@qti.qualcomm.com>
Signed-off-by: Tamizh Chelvam <c_traja@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h
index b07639e..7de780c 100644
--- a/drivers/net/wireless/ath/ath10k/debug.h
+++ b/drivers/net/wireless/ath/ath10k/debug.h
@@ -55,6 +55,9 @@
 	ATH10K_DBG_AGGR_MODE_MAX,
 };
 
+/* FIXME: How to calculate the buffer size sanely? */
+#define ATH10K_FW_STATS_BUF_SIZE (1024*1024)
+
 extern unsigned int ath10k_debug_mask;
 
 __printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...);