qcacld-3.0: Fix misspellings of "return"

Fix misspellings of "return":
Retrun ==> Return
Reture ==> Return
retrun ==> return
reutrns ==> returns

Change-Id: Iad8bc9f4e9d94b05ed47fd91a591ea0dbc92fde2
CRs-Fixed: 3274605

core/dp/htt/htt_rx_ll.c

@@ -318,7 +318,7 @@ static qdf_nbuf_t htt_rx_buff_alloc(struct htt_pdev_t *pdev)
 }
 
 /**
- * htt_rx_ring_buf_attach() - retrun net buf to attach in ring
+ * htt_rx_ring_buf_attach() - return net buf to attach in ring
  * @pdev: pointer to device
  *
  * Return: nbuf or NULL

core/hdd/inc/wlan_hdd_wext.h

@@ -348,7 +348,7 @@ void hdd_wext_send_event(struct net_device *dev, unsigned int cmd,
 /**
  * hdd_dump_log_buffer() - dump log buffer history
  *
- * Reture: None
+ * Return: None
  */
 void hdd_dump_log_buffer(void);
 #else

core/hdd/src/wlan_hdd_thermal.c

@@ -726,7 +726,7 @@ void hdd_thermal_mitigation_unregister(struct hdd_context *hdd_ctx,
  * @psoc: psoc object
  * @info: thermal throttle information from target
  *
- * Retrun: QDF_STATUS_SUCCESS for success.
+ * Return: QDF_STATUS_SUCCESS for success.
  */
 static QDF_STATUS
 hdd_notify_thermal_throttle_handler(struct wlan_objmgr_psoc *psoc,

core/sme/src/common/sme_api.c

@@ -7283,7 +7283,7 @@ bool sme_get_is_ft_feature_enabled(mac_handle_t mac_handle)
  * sme_is_feature_supported_by_fw() - check if feature is supported by FW
  * @feature: enum value of requested feature.
  *
- * Retrun: 1 if supported; 0 otherwise
+ * Return: 1 if supported; 0 otherwise
  */
 bool sme_is_feature_supported_by_fw(enum cap_bitmap feature)
 {

core/sme/src/csr/csr_inside_api.h

@@ -286,7 +286,7 @@ void csr_send_set_ie(uint8_t type, uint8_t sub_type, uint8_t vdev_id);
  * csr_scan_result_purge() -
  * Remove all items(tCsrScanResult) in the list and free memory for each item
  * hScanResult - returned from csr_scan_get_result. hScanResult is considered
- * gone by calling this function and even before this function reutrns.
+ * gone by calling this function and even before this function returns.
  * Return QDF_STATUS
  */
 QDF_STATUS csr_scan_result_purge(struct mac_context *mac,