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This patch introduces the RMM dispatcher into BL31. This
will be the mechanism that will enable communication to
take place between the Realm and non secure world. Currently
gives the capability for granules to be transitioned from
non secure type to realm and vice versa.
Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I70155b4df0f71ff576da98a627a0a46bb462688c