lib: Update stm32f1 code to version 1.8.0

Update the stm32f1 code to the latest from ST.  Merge the
lib/cmsis-stm32f1/ and lib/hal-stm32f1/ into a single lib/stm32f1/
directory.  Document all the differences from the pristine upstream
code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

lib/stm32f1/hal/source/stm32f1xx_hal_msp_template.c

@@ -0,0 +1,93 @@
+/**
+  ******************************************************************************
+  * @file    stm32f1xx_hal_msp_template.c
+  * @author  MCD Application Team
+  * @brief   HAL BSP module.
+  *          This file template is located in the HAL folder and should be copied
+  *          to the user folder.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f1xx_hal.h"
+
+/** @addtogroup STM32F1xx_HAL_Driver
+  * @{
+  */
+
+/** @defgroup HAL_MSP HAL_MSP
+  * @brief HAL MSP module.
+  * @{
+  */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup HAL_MSP_Exported_Functions HAL MSP Exported Functions
+  * @{
+  */
+
+/**
+  * @brief  Initializes the Global MSP.
+  * @retval None
+  */
+void HAL_MspInit(void)
+{
+
+}
+
+/**
+  * @brief  DeInitializes the Global MSP.
+  * @retval None
+  */
+void HAL_MspDeInit(void)
+{
+
+}
+
+/**
+  * @brief  Initializes the PPP MSP.
+  * @retval None
+  */
+void HAL_PPP_MspInit(void)
+{
+
+}
+
+/**
+  * @brief  DeInitializes the PPP MSP.
+  * @retval None
+  */
+void HAL_PPP_MspDeInit(void)
+{
+
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/