secure_boot: enable chain of trust for ARM platforms
Chain of Trust is enabled for ARM platforms (LS1021 and LS1043). In board_late_init(), fsl_setenv_chain_of_trust() is called which will perform the following: - If boot mode is non-secure, return (No Change) - If boot mode is secure, set the following environmet variables: bootdelay = 0 (To disable Boot Prompt) bootcmd = CONFIG_CHAIN_BOOT_CMD (Validate and execute Boot script) Signed-off-by: NAneesh Bansal <aneesh.bansal@nxp.com> Acked-by: NRuchika Gupta <ruchika.gupta@nxp.com> Reviewed-by: NYork Sun <york.sun@nxp.com>
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