There was a little conflict between the v4.11 bugfixes and the new changes for 4.12,
this merges the fixes into the 4.12 branch to avoid having to resolve it again.

* Broadcom fixes in mainline
  ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags
  ARM: dts: BCM5301X: Fix memory start address
  ARM: dts: BCM5301X: Fix UARTs on bcm953012k
Signed-off-by: Arnd Bergmann <arnd@arndb.de>