Correct unit address to fix dtc W=1 warnings:

  hi6220.dtsi:855.31-862.5: Warning (simple_bus_reg): /soc/tsensor@0,f7030700: simple-bus unit address format error, expected "f7030700"
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>