linux-phytec-ti

ARM: dts: omap4: Add IPU DT node

The DT node for the Dual-Cortex M3 IPU processor sub-system
has been added for OMAP4 SoCs. The L2RAM memory region
information has been added to the node through the 'reg'
and 'reg-names' properties. The node has the 'iommus' and
'mboxes' properties also added, and is disabled for now. It
should be enabled as per the individual product configuration
in the corresponding board dts files.

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