arm64: dts: ls1088a: add more thermal zone support

There are 2 thermal zones in ls1088a soc. Add the other thermal zone
node to enable it.
Also update the values in calibration table to make the temperatures
monitored more precise.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Reviewed-by: Amit Kucheria <amitk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>