ARM: dts: s5pv210: adjust node names to DT spec

[ Upstream commit b04544ac ]

The Devicetree specification expects device node names to have a generic
name, representing the class of a device.  Also the convention for node
names is to use hyphens, not underscores.

No functional changes.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201027170947.132725-10-krzk@kernel.org


Stable-dep-of: 982655cb ("ARM: dts: samsung: s5pv210-smdkv210: correct ethernet reg addresses (split)")
Signed-off-by: Sasha Levin <sashal@kernel.org>