msm: platsmp: Add multi-clusters support for setting boot address

TZ would use MPIDR info as input for scm_call to set cold/warm
boot address due to the limitation of the old API for
multi-clusters support.

Change-Id: Ia55ebcb6f468f61846280f4f26202dc7e183b76a
Signed-off-by: Xiaocheng Li <lix@codeaurora.org>