soc: arm: atmel: Add sam4e mcu

Add sam4e related soc files.

Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>

soc/arm/atmel_sam/sam4e/soc.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019 Gerson Fernando Budke
+ * Copyright (c) 2018 Vincent van der Locht
+ * Copyright (c) 2017 Justin Watson
+ * Copyright (c) 2016 Intel Corporation.
+ * Copyright (c) 2013-2015 Wind River Systems, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file SoC configuration macros for the Atmel SAM4E family processors.
+ */
+
+#ifndef _ATMEL_SAM4E_SOC_H_
+#define _ATMEL_SAM4E_SOC_H_
+
+#ifndef _ASMLANGUAGE
+
+#define DONT_USE_CMSIS_INIT
+#define DONT_USE_PREDEFINED_CORE_HANDLERS
+#define DONT_USE_PREDEFINED_PERIPHERALS_HANDLERS
+
+#if defined(CONFIG_SOC_PART_NUMBER_SAM4E16E)
+#include <sam4e16e.h>
+#elif defined(CONFIG_SOC_PART_NUMBER_SAM4E16C)
+#include <sam4e16c.h>
+#elif defined(CONFIG_SOC_PART_NUMBER_SAM4E8E)
+#include <sam4e8e.h>
+#elif defined(CONFIG_SOC_PART_NUMBER_SAM4E8C)
+#include <sam4e8c.h>
+#else
+#error Library does not support the specified device.
+#endif
+
+#include "soc_pinmap.h"
+
+#include "../common/soc_pmc.h"
+#include "../common/soc_gpio.h"
+
+#endif /* !_ASMLANGUAGE */
+
+/** Processor Clock (HCLK) Frequency */
+#define SOC_ATMEL_SAM_HCLK_FREQ_HZ DT_ARM_CORTEX_M4F_0_CLOCK_FREQUENCY
+
+/** Master Clock (MCK) Frequency */
+#define SOC_ATMEL_SAM_MCK_FREQ_HZ SOC_ATMEL_SAM_HCLK_FREQ_HZ
+
+#endif /* _ATMEL_SAM4E_SOC_H_ */