[PATCH 22/42] imx9: soc: support reset cause

[sbabic at denx.de]

> From: Peng Fan <peng.fan at nxp.com>
> Support print reset cause. Since SRSR is not accessible from non-secure
> world, so first save it to grp0, then read it in non-secure world.
> 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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