ARM: dts: imx7ulp: add address/size-cells to OCOTP

The OCOTP node should have address/size-cells so the cells can have unit
address:

  imx7ulp-evk.dtb: efuse@410a6000: '#address-cells' is a required property
  imx7ulp-evk.dtb: efuse@410a6000: '#size-cells' is a required property

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>