Update hci_tr.c

Indent formating

features/FEATURE_BLE/targets/TARGET_CORDIO/stack_adaptation/hci_tr.c

@@ -72,7 +72,7 @@ void hciTrSendAclData(void *pContext, uint8_t *pData)
       /* pData is not freed as the hciDrvWrite took ownership of the WSF buffer */
 #else
       /* free buffer */
-     hciCoreTxAclComplete((hciCoreConn_t *)pContext, pData);
+      hciCoreTxAclComplete((hciCoreConn_t *)pContext, pData);
 #endif // CORDIO_ZERO_COPY_HCI
   }
 }