Merge tag 'stm32-soc-for-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git...

Merge tag 'stm32-soc-for-v4.12-1' of git://git./linux/kernel/git/atorgue/stm32 into next/soc

STM32 SOC updates for v4.12, round 1.

Highlights:
----------
 - Create a dedicated Kconfig for STM32 machine
 - Add support of STM32H743 MCU

* tag 'stm32-soc-for-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
  ARM: stm32: Add a new SOC - STM32H743
  ARM: stm32: Introduce MACH_STM32H743 flag
  ARM: stm32: create dedicated kconfig for STM32 machine

Signed-off-by: Olof Johansson <olof@lixom.net>