dt-bindings: thermal: qoriq-thermal: Adjust fsl,tmu-range min/maxItems

dt-bindings: thermal: qoriq-thermal: Adjust fsl,tmu-range min/maxItems

The number of fsl,tmu-range entries vary among the several NXP SoCs.

- lx2160a has two fsl,tmu-range entries  (fsl,qoriq-tmu compatible)
- imx8mq has four fsl,tmu-range entries. (fsl,imx8mq-tmu compatible)
- imx93 has seven fsl,tmu-range entries. (fsl,qoriq-tmu compatible)

Change minItems and maxItems accordingly.

This fixes the following schema warning:

imx93-11x11-evk.dtb: tmu@44482000: fsl,tmu-range: 'oneOf' conditional failed, one must be fixed:
        [2147483866, 2147483881, 2147483906, 2147483946, 2147484006, 2147484071, 2147484086] is too long

Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240104124952.1975160-1-festevam@gmail.com