arm: soc: move arm SoCs to top-dir

Move the SoC outside of the architecture tree and put them at the same
level as boards and architectures allowing both SoCs and boards to be
maintained outside the tree.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

soc/arm/st_stm32/stm32f4/soc.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2016 Open-RnD Sp. z o.o.
+ * Copyright (c) 2016 Linaro Limited.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file SoC configuration macros for the ST STM32F4 family processors.
+ *
+ * Based on reference manual:
+ *   RM0368 Reference manual STM32F401xB/C and STM32F401xD/E
+ *   advanced ARM(r)-based 32-bit MCUs
+ *
+ * Chapter 2.3: Memory Map
+ */
+
+#ifndef _STM32F4_SOC_H_
+#define _STM32F4_SOC_H_
+
+#define GPIO_REG_SIZE         0x400
+/* base address for where GPIO registers start */
+#define GPIO_PORTS_BASE       (GPIOA_BASE)
+
+#ifndef _ASMLANGUAGE
+
+#include <stm32f4xx.h>
+
+/* ARM CMSIS definitions must be included before kernel_includes.h.
+ * Therefore, it is essential to include kernel_includes.h after including
+ * core SOC-specific headers.
+ */
+#include <kernel_includes.h>
+
+#ifdef CONFIG_CLOCK_CONTROL_STM32_CUBE
+#include <stm32f4xx_ll_utils.h>
+#include <stm32f4xx_ll_bus.h>
+#include <stm32f4xx_ll_rcc.h>
+#include <stm32f4xx_ll_system.h>
+#endif /* CONFIG_CLOCK_CONTROL_STM32_CUBE */
+
+#ifdef CONFIG_SERIAL_HAS_DRIVER
+#include <stm32f4xx_ll_usart.h>
+#endif
+
+#ifdef CONFIG_I2C
+#include <stm32f4xx_ll_i2c.h>
+#endif
+
+#ifdef CONFIG_SPI_STM32
+#include <stm32f4xx_ll_spi.h>
+#endif
+
+#ifdef CONFIG_ENTROPY_STM32_RNG
+#include <stm32f4xx_ll_rng.h>
+#endif
+
+#ifdef CONFIG_IWDG_STM32
+#include <stm32f4xx_ll_iwdg.h>
+#endif
+
+#endif /* !_ASMLANGUAGE */
+
+#endif /* _STM32F4_SOC_H_ */