arm64: dts: ls1028a: fix typo in TMU calibration data

[ Upstream commit 961f8209 ]

The temperature sensor may jump backwards because there is a wrong
calibration value. Both values have to be monotonically increasing.
Fix it.

This was tested on a custom board.

Fixes: 571cebfe ("arm64: dts: ls1028a: Add Thermal Monitor Unit node")
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>