Merge tag 'u-boot-stm32-20190606' of https://github.com/pchotard/u-boot

- Add Ethernet support for STM32MP1
- Add saveenv support for STM32MP1
- Add STM32MP1 Avenger96 board support
- Add SPI driver suport for STM32MP1
- Add watchdog support for STM32MP1
- Update power supply check via USB TYPE-C for STM32MP1 discovery board

diff --cc MAINTAINERS
Simple merge

diff --cc arch/arm/dts/Makefile
Simple merge

diff --cc cmd/nvedit.c
Simple merge

diff --cc drivers/spi/Kconfig
Simple merge