linux-phytec-ti

ARM: dts: dra7: Enable common IPU and DSP IOMMU nodes

The IPU1, IPU2 and DSP1 are the most common remote processors present
on the DRA7xx/AM57xx family of SoCs. The MMU nodes for these common
processors have all been enabled by default, so that these nodes are
automatically enabled for all derivative boards.

Any derivative SoCs or boards not having these IPs or not intending to
enable/use these remote processors by default can mark these nodes
as "disabled" in their derivative SoC or board dts files.

Signed-off-by: Suman Anna <s-anna@ti.com>