Merge tag 'u-boot-stm32-mcu-20190514' of https://github.com/pchotard/u-boot

STM32 MCUs update:
_ Add MPU region for SPI NOR memory mapped region
_ Add missing QSPI flash compatible for STM32 F7 boards
_ Update spi-tx-bus-width and spi-rx-bus-width properties
_ Add QSPI support for STM32F469 Discovery board

diff --combined drivers/spi/Kconfig
index dc3e23f,e9dadf0..c3a829d
--- 1/drivers/spi/Kconfig
--- 2/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@@ -133,7 -133,7 +133,7 @@@ config MPC8XX_SP
  
  config MT7621_SPI
        bool "MediaTek MT7621 SPI driver"
 -      depends on ARCH_MT7620
 +      depends on SOC_MT7628
        help
          Enable the MT7621 SPI driver. This driver can be used to access
          the SPI NOR flash on platforms embedding this Ralink / MediaTek
@@@ -173,7 -173,7 +173,7 @@@ config PL022_SP
  
  config RENESAS_RPC_SPI
        bool "Renesas RPC SPI driver"
 -      depends on RCAR_GEN3
 +      depends on RCAR_GEN3 || RZA1
        imply SPI_FLASH_BAR
        help
          Enable the Renesas RPC SPI driver, used to access SPI NOR flash
@@@ -222,7 -222,7 +222,7 @@@ config SPI_SUNX
  
  config STM32_QSPI
        bool "STM32F7 QSPI driver"
-       depends on STM32F7 || ARCH_STM32MP
+       depends on STM32F4 || STM32F7 || ARCH_STM32MP
        help
          Enable the STM32F7 Quad-SPI (QSPI) driver. This driver can be
          used to access the SPI NOR flash chips on platforms embedding