dt-bindings: Remove 'Device Tree Bindings' from end of title:

As indicated in
link: https://lore.kernel.org/all/20220822204945.GA808626-robh@kernel.org/

DT schema files should not have 'Device Tree Binding' as part of there
title: line. Remove this in most .yaml files, so hopefully preventing
developers copying it into new .yaml files, and being asked to remove
it.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220825020427.3460650-1-andrew@lunn.ch
Signed-off-by: Rob Herring <robh@kernel.org>

dt-bindings: iommu: Add Allwinner H6 IOMMU bindings

The Allwinner H6 has introduced an IOMMU. Let's add a device tree binding
for it.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/f3e1633677a9cf9cf36fe3582f0168fae94c1b3e.1589378833.git-series.maxime@cerno.tech
Signed-off-by: Joerg Roedel <jroedel@suse.de>