README.md: Add information on Yocto Project Compatible Layer

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

README.md

@@ -11,6 +11,14 @@ maintained.
 The aim of this is to minimise duplication on python recipes backporting on
 other layers. For example, meta-homeassistant.
 
+## Yocto Project Compatible Layer
+
+<img src="assets/LF_17_02_Yocto-Badge-Update_Compatible_Final_Gold.png" alt="Yocto Compatible Gold Badge" width="100"/>
+
+This layer is officially approved as part of the `Yocto Project Compatible
+Layers Program`. You can find details of that on the official Yocto Project
+[website](https://www.yoctoproject.org/software-overview/layers/?searchTerm=meta-python-mixin).
+
 ## Dependencies
 
 The meta-python-mixin layer depends on: