exynos: Get rid of the unused reset.c.

The source file reset.c, present in both the exynos5250 and 5420 directories,
is not being built for either SOC. Let's get rid of the clutter.

BUG=None
TEST=Built for snow and pit.
BRANCH=None

Change-Id: Iab4c7982a271d08cbaf3207b6f5431f0ef52697e
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/170402
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: David Hendrix <dhendrix@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
diff --git a/src/cpu/samsung/exynos5250/reset.c b/src/cpu/samsung/exynos5250/reset.c
deleted file mode 100644
index ba6d4cf..0000000
--- a/src/cpu/samsung/exynos5250/reset.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <reset.h>
-#include <arch/io.h>
-
-#include "power.h"
-
-void soft_reset(void)
-{
-	writel(0x1, &exynos_power->sw_reset);
-}
diff --git a/src/cpu/samsung/exynos5420/reset.c b/src/cpu/samsung/exynos5420/reset.c
deleted file mode 100644
index ba6d4cf..0000000
--- a/src/cpu/samsung/exynos5420/reset.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <reset.h>
-#include <arch/io.h>
-
-#include "power.h"
-
-void soft_reset(void)
-{
-	writel(0x1, &exynos_power->sw_reset);
-}