nfc: hci: Fix spelling mistakes

Fix some spelling mistakes in comments:
occured  ==> occurred
negociate  ==> negotiate

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210531020019.2919799-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net/nfc/hci/command.c

@@ -34,7 +34,7 @@ static int nfc_hci_execute_cmd_async(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
  * HCI command execution completion callback.
  * err will be a standard linux error (may be converted from HCI response)
  * skb contains the response data and must be disposed, or may be NULL if
- * an error occured
+ * an error occurred
  */
 static void nfc_hci_execute_cb(void *context, struct sk_buff *skb, int err)
 {

net/nfc/hci/core.c

@@ -705,7 +705,7 @@ static void hci_transceive_cb(void *context, struct sk_buff *skb, int err)
 		/*
 		 * TODO: Check RF Error indicator to make sure data is valid.
 		 * It seems that HCI cmd can complete without error, but data
-		 * can be invalid if an RF error occured? Ignore for now.
+		 * can be invalid if an RF error occurred? Ignore for now.
 		 */
 		if (err == 0)
 			skb_trim(skb, skb->len - 1); /* RF Err ind */

net/nfc/hci/llc_shdlc.c

@@ -406,7 +406,7 @@ static void llc_shdlc_rcv_u_frame(struct llc_shdlc *shdlc,
 		case SHDLC_NEGOTIATING:
 		case SHDLC_CONNECTING:
 			/*
-			 * We sent RSET, but chip wants to negociate or we
+			 * We sent RSET, but chip wants to negotiate or we
 			 * got RSET before we managed to send out our.
 			 */
 			if (skb->len > 0)