Updating copyright notices for 2020.

NOTICES.txt

@@ -3,7 +3,7 @@ _______________________________________________________________
 
 Dependencies on nvidia-nccl v2.3.7-1 (BSD3)
 Copyright (c) 2015-2018, NVIDIA CORPORATION.
-Modifications Copyright (c) 2019 Advanced Micro Devices, Inc.
+Modifications Copyright (c) 2019-2020 Advanced Micro Devices, Inc.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
@@ -63,4 +63,4 @@ OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 The U.S. Department of Energy funded the development of this software
-under subcontract 7078610 with Lawrence Berkeley National Laboratory.
+under subcontract 7078610 with Lawrence Berkeley National Laboratory.