[ Upstream commit 123b796d ]

Our HDMI output endpoint on the A10 DTSI has a warning under DTC: "graph
node has single child node 'endpoint', #address-cells/#size-cells are not
necessary". Fix this by removing those properties.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>