Add STMicroelectronics to the list of contributors

Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/acknowledgements.rst b/acknowledgements.rst
index 5686a58..4d527f4 100644
--- a/acknowledgements.rst
+++ b/acknowledgements.rst
@@ -16,5 +16,7 @@
 
 Marvell International Ltd.
 
+STMicroelectronics
+
 Individuals
 -----------