mb/google/peach_pit: Use SPDX for GPL-2.0-only files

Done with sed and God Lines. Only done for C-like code for now.

Change-Id: Ie27b19e2a15855def11e366a86e43776ceb71083
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40189
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
diff --git a/src/mainboard/google/peach_pit/chromeos.c b/src/mainboard/google/peach_pit/chromeos.c
index f063b25..bf429eb 100644
--- a/src/mainboard/google/peach_pit/chromeos.c
+++ b/src/mainboard/google/peach_pit/chromeos.c
@@ -1,16 +1,5 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <boot/coreboot_tables.h>
 #include <bootmode.h>
diff --git a/src/mainboard/google/peach_pit/mainboard.c b/src/mainboard/google/peach_pit/mainboard.c
index 8b1fbab..99b8997 100644
--- a/src/mainboard/google/peach_pit/mainboard.c
+++ b/src/mainboard/google/peach_pit/mainboard.c
@@ -1,16 +1,5 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/cache.h>
 #include <boot/coreboot_tables.h>
diff --git a/src/mainboard/google/peach_pit/memlayout.ld b/src/mainboard/google/peach_pit/memlayout.ld
index 2c33306..a6ccf15 100644
--- a/src/mainboard/google/peach_pit/memlayout.ld
+++ b/src/mainboard/google/peach_pit/memlayout.ld
@@ -1,14 +1,4 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <soc/memlayout.ld>
diff --git a/src/mainboard/google/peach_pit/memory.c b/src/mainboard/google/peach_pit/memory.c
index d4f0d70..8dcce66 100644
--- a/src/mainboard/google/peach_pit/memory.c
+++ b/src/mainboard/google/peach_pit/memory.c
@@ -1,16 +1,5 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <soc/clk.h>
 #include <soc/dmc.h>
diff --git a/src/mainboard/google/peach_pit/romstage.c b/src/mainboard/google/peach_pit/romstage.c
index 98425f3..dc95e52 100644
--- a/src/mainboard/google/peach_pit/romstage.c
+++ b/src/mainboard/google/peach_pit/romstage.c
@@ -1,16 +1,5 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <arch/exception.h>
 #include <armv7.h>
diff --git a/src/mainboard/google/peach_pit/wakeup.c b/src/mainboard/google/peach_pit/wakeup.c
index d8d964b..4051aa1 100644
--- a/src/mainboard/google/peach_pit/wakeup.c
+++ b/src/mainboard/google/peach_pit/wakeup.c
@@ -1,16 +1,5 @@
-/*
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <soc/gpio.h>
 #include <soc/wakeup.h>