[PATCH V2 03/26] imx: imx8ulp: Add M33 handshake functions

[sbabic at denx.de]

> From: Ye Li <ye.li at nxp.com>
> Add functions to check if M33 image is booted and handshake with M33
> image via MU. A core notifies M33 to start init by FCR F0, then wait
> M33 init done signal by checking FSR F0.
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
> Signed-off-by: Ye Li <ye.li at nxp.com>
> Signed-off-by: Biwen Li <biwen.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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