Update LICENSE

Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Change-Id: I6304c34339965585eac70be8f888d8d9c2dd70ff
Reviewed-on: https://review.mlplatform.org/c/2629
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/LICENSE b/LICENSE
index ab713b4..1b316d3 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017-2018 ARM Software
+Copyright (c) 2017-2020 ARM Software
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal