Included ETL in NOTICE.md

Author: rolandreichweinbmw

NOTICE.md

@@ -34,6 +34,7 @@ We recommend to read their licenses, as their terms may differ from the terms de
 
 | Project                   | Version | License   | Path                                                                 |
 |---------------------------|---------|-----------|----------------------------------------------------------------------|
+| ETL                       | 20.41.0 | MIT       | ``libs/bsw/3rdparty/etl/LICENSE``                                    |
 | googletest                | 1.12.1  | BSD-3     | ``libs/bsw/3rdparty/googletest/LICENSE``                             |
 | printf                    | 5.2.0   | MIT       | ``libs/bsw/3rdparty/printf/LICENSE``                                 |
 | FreeRTOS Real Time Kernel | 10.6.2  | MIT       | ``platforms/posix/3rdparty/freeRtosPosix/LICENSE.md``                |

libs/3rdparty/etl/LICENSE

@@ -0,0 +1,19 @@
+The MIT License (MIT)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.