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During secure boot, SMMU is enabled on POR by SP bootrom. SMMU needs to be put in bypass mode in uboot to enable CAAM transcations to pass through. For non-secure boot, SP BootROM doesn't enable SMMU, which is in bypass mode out of reset. Signed-off-by: Aneesh Bansal <aneesh.bansal@nxp.com> Signed-off-by: Saksham Jain <saksham.jain@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>