ARM: dts: exynos: replace deprecated NTC/Murata compatibles

The compatibles with "ntc" vendor prefix become deprecated and "murata"
should be used.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210315124313.114842-1-krzysztof.kozlowski@canonical.com