[PATCH 05/13] thermal: imx_tmu: Fix for temperature out of range

[sbabic at denx.de]

> When the temperature is out of sensor's range, the Valid bit won't be
> set in TRITSR register. So the polling loop won't go out.
> Change the codes to retry 10 times with 100ms interval for the Valid bit.
> If the timeout, we give a warning for the invalid data.
> Modifed from Ye's NXP patch
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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