Fix licenses

Author: GuillaumeGomez

gcc/testsuite/c-c++-common/analyzer/asm-x86-dyndbg-2.c

@@ -6,7 +6,7 @@
 /* { dg-additional-options "-fdump-analyzer-untracked" } */
 
 /* Adapted from various files in the Linux kernel, all of which have:  */
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #ifndef __cplusplus 
   typedef _Bool bool;

gcc/testsuite/c-c++-common/analyzer/taint-assert-BUG_ON.c

@@ -3,7 +3,7 @@
 /* { dg-additional-options " -ftrack-macro-expansion=0" } */
 
 /* Adapted from code in the Linux kernel, which has this: */
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #define __noreturn __attribute__ ((__noreturn__))
 

gcc/testsuite/gcc.dg/analyzer/asm-x86-dyndbg-1.c

@@ -6,7 +6,7 @@
 /* { dg-additional-options "-fdump-analyzer-untracked" } */
 
 /* Adapted from various files in the Linux kernel, all of which have:  */
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 typedef _Bool			bool;
 #define true 1