[PATCH] selftests/ftrace: Fix invalid SPDX identifiers

[Thomas Gleixner]

While GPL2.0 looks about right, the correct and valid identifiers for GPL v2
only code are 'GPL-2.0' or 'GPL-2.0-only'.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Shuah Khan (Samsung OSG) <shuah@xxxxxxxxxx>

---

P.S.: checkpatch.pl emits a warning when crappy license ids are used

 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc |    2 +-
 tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc           |    2 +-
 tools/testing/selftests/ftrace/test.d/template                         |    2 +-
 tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc                 |    2 +-
 tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc              |    2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
@@ -1,5 +1,5 @@
 #!/bin/sh
-# SPDX-License-Identifier: GPL2.0
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - stacktrace filter command
 # flags: instance
 
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
@@ -1,5 +1,5 @@
 #!/bin/sh
-# SPDX-License-Identifier: GPL2.0
+# SPDX-License-Identifier: GPL-2.0
 # description: ftrace - function trace with cpumask
 
 if ! which nproc ; then
--- a/tools/testing/selftests/ftrace/test.d/template
+++ b/tools/testing/selftests/ftrace/test.d/template
@@ -1,5 +1,5 @@
 #!/bin/sh
-# SPDX-License-Identifier: GPL2.0
+# SPDX-License-Identifier: GPL-2.0
 # description: %HERE DESCRIBE WHAT THIS DOES%
 # you have to add ".tc" extention for your testcase file
 # Note that all tests are run with "errexit" option.
--- a/tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc
+++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc
@@ -1,5 +1,5 @@
 #!/bin/sh
-# SPDX-License-Identifier: GPL2.0
+# SPDX-License-Identifier: GPL-2.0
 # description: Test wakeup tracer
 
 if ! which chrt ; then
--- a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
+++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
@@ -1,5 +1,5 @@
 #!/bin/sh
-# SPDX-License-Identifier: GPL2.0
+# SPDX-License-Identifier: GPL-2.0
 # description: Test wakeup RT tracer
 
 if ! which chrt ; then