testsuites/*: Add SPDX for RTEMS legacy license

These may still be relicensed but adding SPDX is needed.

Updates #4805.

testsuites/sptests/sp29/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  The license and distribution terms for this file may be
  *  found in the file LICENSE in this distribution or at

testsuites/sptests/sp34/changepri.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  Test program to demonstrate reordering of threads on thread queues
  *  when their priority changes.

testsuites/sptests/sp35/priinv.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  Simple test program to demonstrate priority inversion when blocking
  *

testsuites/sptests/sp52/sp52impl.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  Based upon test code posted on the RTEMS User's Mailing List
  *  by Sergio Faustino <sergio.faustino@edisoft.pt>:

testsuites/sptests/sp67/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  Based upon test code posted on the RTEMS User's Mailing List
  *  by Sergio Faustino <sergio.faustino@edisoft.pt>:

testsuites/sptests/sp77/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  COPYRIGHT (c) 2012.
  *  Krzysztof Miesowicz <krzysztof.miesowicz@gmail.com>

testsuites/sptests/spcbssched02/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Init
  *
  *  This routine is the initialization task for this test program.

testsuites/sptests/spcbssched02/task_periodic.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Tasks_Periodic
  *
  *  This routine serves as a test task for the CBS scheduler

testsuites/sptests/spcbssched03/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Init
  *
  *  This routine is the initialization task for this test program.

testsuites/sptests/spcbssched03/tasks_aperiodic.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Tasks_Aperiodic
  *
  *  This routine serves as a test task for the CBS scheduler

testsuites/sptests/spcbssched03/tasks_periodic.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Tasks_Periodic
  *
  *  This routine serves as a test task for the CBS scheduler

testsuites/sptests/spedfsched03/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Init
  *
  *  This routine is the initialization task for this test program.

testsuites/sptests/spedfsched03/tasks_aperiodic.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Tasks_Aperiodic
  *
  *  This routine serves as a test task for the EDF scheduler

testsuites/sptests/spedfsched03/tasks_periodic.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Tasks_Periodic
  *
  *  This routine serves as a test task for the EDF scheduler

testsuites/sptests/spfifo01/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  COPYRIGHT (c) 2010
  *  Bharath Suri<bharath.s.jois@gmail.com>.

testsuites/sptests/spfreechain01/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  * Copyright (c) 2013 Zhongwei Yao.
  *

testsuites/sptests/spqreslib/init.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Init
  *
  *  This routine is the initialization task for this test program.

testsuites/sptests/spqreslib/task_periodic.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*  Tasks_Periodic
  *
  *  This routine serves as a test task for the CBS scheduler

testsuites/support/include/tmtests_empty_function.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
+
 /*
  *  Prototypes for RTEMS tmtests_empty_function.c.
  *