[Patch V3 32/44] arm: iMX8ULP: Add boot device relevant functions

[sbabic at denx.de]

> From: Ye Li <ye.li at nxp.com>
> Read from ROM API to get current boot device.
> Signed-off-by: Ye Li <ye.li at nxp.com>
> 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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