Merge pull request #3814 from thread-liu/stm32mp1-ev1

[update] add stm32mp1-st-ev1 bsp.

Author: BernardXiong

bsp/stm32/libraries/STM32MPxx_HAL/CMSIS/Device/ST/STM32MP1xx/Source/Templates/arm/startup_stm32mp15xx.s

@@ -14,8 +14,8 @@
 ;****************************************************************************** 
 ;* @attention
 ;*
-;* <h2><center>&copy; Copyright (c) 2019 STMicroelectronics. 
-;* All rights reserved.</center></h2>
+;* &copy; Copyright (c) 2019 STMicroelectronics. 
+;* All rights reserved.
 ;*
 ;* 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 
@@ -30,7 +30,7 @@
 ;   <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
 ; </h>
 
-Stack_Size      EQU     0x00000400
+Stack_Size      EQU     0x00000800
 
                 AREA    STACK, NOINIT, READWRITE, ALIGN=3
 __stack_limit