ARM: dts: aspeed: align GPIO hog names with dtschema

dtschema for pca95xx expects GPIO hogs to end with 'hog' suffix.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210212162640.66677-2-krzk@kernel.org

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>