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Master-key-verification-blob (MKVB) value generated on request from the secure world, is same to the MKVB value generated on request from Normal world. Leading to the leak og MKVB to non-secure world. Fix to prevent MKVB generation for requests originating from non-secure world. - For non-secure world, this SMC is return failure. Additional fix for bound-check before continuing to generate the MKVB. Change-Id: I9940b4dfe33289c2d57595a2a08acff29a12c974 Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>