qcacmn: Change WMI API's event_buf length type to uint32_t

Change all the WMI API's event buf length param to
uint32_t to adjust to event buf length param type
in the wmi_unified_event_handler().These changes are
needed to converge on the common service ready handlers.

Change-Id: I553bab579f514c356b59b003c0ec66c17e60e26f
CRs-Fixed: 1110768

wmi_unified_non_tlv.c

@@ -5706,7 +5706,7 @@ static QDF_STATUS ready_extract_mac_addr_non_tlv(wmi_unified_t wmi_hdl,
  */
 static uint8_t *extract_dbglog_data_len_non_tlv(wmi_unified_t wmi_handle,
 		void *evt_buf,
-		uint16_t *len)
+		uint32_t *len)
 {
 	/*Len is already valid from event. No need to change it */
 	 return evt_buf;