fix(nxp-crypto): restricts generating nxp_mkvb via ns-world

Master-key-verification-blob (MKVB) value generated on request from
the secure world, is same to the MKVB value generated on request from

fix(nxp-crypto): restricts generating nxp_mkvb via ns-world

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>

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nxp: svp & sip smc handling

SMC call handling at EL3 due SIP and SVC calls.

Signed-off-by: rocket <rod.dorris@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: If86ee43477fc3b6

nxp: svp & sip smc handling

SMC call handling at EL3 due SIP and SVC calls.

Signed-off-by: rocket <rod.dorris@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: If86ee43477fc3b6116623928a3299d4e9015df8c

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