tree 3d244cf16bb8124add10e619db9d251b49a6e899
parent 873e394b3bf93214a441f9f98237b58fbbea55aa
author Ryan Grachek <ryan@edited.us> 1549902144 -0600
committer Ryan Grachek <ryan@edited.us> 1549907449 -0600

hikey960: enable IOMCU DMAC

There exists a third DMA controller on the hi3660
SoC called the IOMCU DMAC. This controller is used by
peripherals like SPI2 and UART3. Initialize channels 4-7
as non-secure, while 0-3 remain reserved and secure.

Signed-off-by: Ryan Grachek <ryan@edited.us>