[U-Boot] [U-Boot, v1, 3/3] imx: cpu.c: give access to reset cause in spl

[sbabic at denx.de]

> From: Max Krummenacher <max.krummenacher at toradex.com>
> This makes get_imx_reset_cause() accessible in SPL, but keeps the SRSR
> register content intact so that U-Boot proper can evaluated the
> reset_cause again should this be needed.
> Signed-off-by: Max Krummenacher <max.krummenacher at toradex.com>
> Acked-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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