Drop "All rights reserved" from the files I own

Also, add SPDX tags where needed.

MFC after:	2 weeks

libexec/tftpd/tests/functional.c

@@ -1,7 +1,8 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
- * Copyright (c) 2018 Alan Somers. All rights reserved.
+ * Copyright (c) 2018 Alan Somers.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:

tests/sys/geom/class/eli/misc_test.sh

@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2018 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

tests/sys/geom/class/nop/nop_test.sh

@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2016 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

tests/sys/geom/class/part/misc.sh

@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2018 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

tests/sys/kern/unix_socketpair_test.c

@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2018 Alan Somers
  *
  * Redistribution and use in source and binary forms, with or without

usr.bin/cmp/tests/cmp_test2.sh

@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2017 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

usr.bin/dc/tests/bcode.sh

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 #
 # Copyright (c) 2017 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

usr.bin/dc/tests/inout.sh

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 #
 # Copyright (c) 2017 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

usr.bin/pr/tests/basic2_test.sh

@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2017 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

usr.bin/tail/tests/tail_test.sh

@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2016 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions

usr.sbin/fstyp/tests/fstyp_test.sh

@@ -1,7 +1,8 @@
 #!/bin/sh
 #
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
 # Copyright (c) 2015 Alan Somers
-# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions