ath6kl: Make ath6kl_diag_write32() non-static

So that this can be called from debug.c when adding support
to write chip register.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/core.h

@@ -523,6 +523,7 @@ enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 					       struct htc_packet *packet);
 void ath6kl_stop_txrx(struct ath6kl *ar);
 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
+int ath6kl_diag_write32(struct ath6kl *ar, u32 address, u32 value);
 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);

drivers/net/wireless/ath/ath6kl/main.c

@@ -261,7 +261,7 @@ int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value)
  * Write to the ATH6KL through its diagnostic window. No cooperation from
  * the Target is required for this.
  */
-static int ath6kl_diag_write32(struct ath6kl *ar, u32 address, u32 value)
+int ath6kl_diag_write32(struct ath6kl *ar, u32 address, u32 value)
 {
 	int ret;