arm64: dts: marvell: rename temp sensor nodes

Rename the temperature sensor nodes to use "temp-sensor" which matches
their device class instead of IC specific naming.

Remove the status = "okay" which is not required as its default anyway.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>