Update copyright years

Scripted copyright year updates based on git committer date.

Author: nsz-arm

Makefile

@@ -1,6 +1,6 @@
 # Makefile - requires GNU make
 #
-# Copyright (c) 2018-2019, Arm Limited.
+# Copyright (c) 2018-2020, Arm Limited.
 # SPDX-License-Identifier: MIT
 
 srcdir = .

config.mk.dist

@@ -1,6 +1,6 @@
 # Example config.mk
 #
-# Copyright (c) 2018-2019, Arm Limited.
+# Copyright (c) 2018-2020, Arm Limited.
 # SPDX-License-Identifier: MIT
 
 # Subprojects to build

math/cosf.c

@@ -1,7 +1,7 @@
 /*
  * Single-precision cos function.
  *
- * Copyright (c) 2018, Arm Limited.
+ * Copyright (c) 2018-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/exp.c

@@ -1,7 +1,7 @@
 /*
  * Double-precision e^x function.
  *
- * Copyright (c) 2018, Arm Limited.
+ * Copyright (c) 2018-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/exp2.c

@@ -1,7 +1,7 @@
 /*
  * Double-precision 2^x function.
  *
- * Copyright (c) 2018, Arm Limited.
+ * Copyright (c) 2018-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/expf.c

@@ -1,7 +1,7 @@
 /*
  * Single-precision e^x function.
  *
- * Copyright (c) 2017-2018, Arm Limited.
+ * Copyright (c) 2017-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/include/mathlib.h

@@ -1,7 +1,7 @@
 /*
  * Public API.
  *
- * Copyright (c) 2015-2019, Arm Limited.
+ * Copyright (c) 2015-2020, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/log.c

@@ -1,7 +1,7 @@
 /*
  * Double-precision log(x) function.
  *
- * Copyright (c) 2018, Arm Limited.
+ * Copyright (c) 2018-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/log2.c

@@ -1,7 +1,7 @@
 /*
  * Double-precision log2(x) function.
  *
- * Copyright (c) 2018, Arm Limited.
+ * Copyright (c) 2018-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */
 

math/logf.c

@@ -1,7 +1,7 @@
 /*
  * Single-precision log function.
  *
- * Copyright (c) 2017-2018, Arm Limited.
+ * Copyright (c) 2017-2019, Arm Limited.
  * SPDX-License-Identifier: MIT
  */