ath10k: fix recently introduced checkpatch warnings

Checkpatch found these issues:

drivers/net/wireless/ath/ath10k/ce.h:324: Please use a blank line after function/struct/union/enum declarations
drivers/net/wireless/ath/ath10k/core.c:1321: Please don't use multiple blank lines
drivers/net/wireless/ath/ath10k/htt.h:1859: Please use a blank line after function/struct/union/enum declarations
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath10k/ce.h

@@ -321,6 +321,7 @@ struct ath10k_ce_ops {
 			      dma_addr_t buffer, u32 nbytes,
 			      u32 transfer_id, u32 flags);
 };
+
 static inline u32 ath10k_ce_base_address(struct ath10k *ar, unsigned int ce_id)
 {
 	return CE0_BASE_ADDRESS + (CE1_BASE_ADDRESS - CE0_BASE_ADDRESS) * ce_id;

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

@@ -1318,7 +1318,6 @@ static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
 			goto out;
 		}
 
-
 		len -= ie_len;
 		data += ie_len;
 	}

drivers/net/wireless/ath/ath10k/htt.h

@@ -1856,6 +1856,7 @@ struct ath10k_htt_rx_ops {
 	void* (*htt_get_vaddr_ring)(struct ath10k_htt *htt);
 	void (*htt_reset_paddrs_ring)(struct ath10k_htt *htt, int idx);
 };
+
 #define RX_HTT_HDR_STATUS_LEN 64
 
 /* This structure layout is programmed via rx ring setup