src/cpu/amd: Update/Add license headers to all files

Change-Id: I1e0b2b9086db6b3c2f716d9400a83eb60b2ce222
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/18403
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/cpu/amd/agesa/family15tn/udelay.c

@@ -1,10 +1,23 @@
 /*
- * udelay() impementation for SMI handlers
+ * This file is part of the coreboot project.
- * This is neat in that it never writes to hardware registers, and thus does not
- * modify the state of the hardware while servicing SMIs.
  *
  * Copyright (C) 2014 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- * Subject to the GNU GPL v2, or (at your option) any later version.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * udelay() impementation for SMI handlers
+ * This is neat in that it never writes to hardware registers, and thus does
+ *  not modify the state of the hardware while servicing SMIs.
  */
 
 #include <cpu/x86/msr.h>

src/cpu/amd/dualcore/dualcore.c

@@ -1,4 +1,17 @@
-/* 2004.12 yhlu add dual core support */
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Yinghai Lu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
 #include "cpu/amd/dualcore/dualcore_id.c"
 #include <pc80/mc146818rtc.h>

src/cpu/amd/dualcore/dualcore_id.c

@@ -1,4 +1,17 @@
-/* 2004.12 yhlu add dual core support */
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Yinghai Lu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 
 #include <arch/cpu.h>
 #include <cpu/amd/multicore.h>

src/cpu/amd/geode_gx2/geode_gx2_init.c

@@ -1,3 +1,16 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #include <console/console.h>
 #include <device/device.h>
 #include <string.h>

src/cpu/amd/model_fxx/fidvid.c

@@ -1,3 +1,16 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #if CONFIG_SET_FIDVID
 
 #ifndef SB_VFSMAF