Convert the Exynos7 DECON display controller bindings to DT schema
format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220208171823.226211-6-krzysztof.kozlowski@canonical.com