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Reserve OP-TEE memory from NWd on N1SDP

Adam Johnston requested to merge adam.johnston2/meta-cassini:topics/AMPLATFORMS-2795 into mickledore-dev

The physical memory which is used to run OP-TEE on the N1SDP is known to the secure world via TOS_FW_CONFIG, but it may not be known to the normal world.

As a precaution, explicitly reserve this memory via NT_FW_CONFIG to prevent the normal world from using it. This is not required on most platforms as the Trusted OS is run from secure RAM.

Signed-off-by: Adam Johnston adam.johnston@arm.com

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