arm64: dts: exynos: drop unsupported I2C properties in Espresso

The Samsung HSI2C (High Speed I2C) bindings do not allow
samsung,i2c-sda-delay (present in older S3C24xx I2C bindings):

  exynos7-espresso.dtb: i2c@13660000: Unevaluated properties are not allowed ('samsung,i2c-sda-delay', 'samsung,i2c-max-bus-freq' were unexpected)

Link: https://lore.kernel.org/r/20221204190543.143986-1-krzysztof.kozlowski@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>