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This patch adds support for the PSCI cpu_suspend api to allow entry
into low power states until affinity level 1 i.e. cluster. It mainly
ensures that a consolidated power off command which specifies the
level to which each affinity level should be powered down is sent to
the SCP.

Change-Id: I84201f5c06e9c41c9e1fbc6438d12ab5f65ee429

This patch implements the TSP on Juno. It executes from Secure RAM.

Also, the other bootloader images (i.e. BL1 R/W, BL2 and BL3-1) have
been moved around. The reason is, although there was enough space
overall to store the TSP in SRAM, there was no contiguous free chunk
of SRAM big enough to hold it.

This patch keeps the overall memory layout (i.e. keeping BL1 R/W at
the bottom, BL2 at the top and BL3-1 in between) but moves the base
addresses of all the bootloader images in such a way that:
 - memory fragmentation is reduced enough to fit BL3-2 in;
 - new base addresses are suitable for release builds as well as debug
   ones;
 - each image has a few extra kilobytes for future growth.
   BL3-1 and BL3-2 are the images which received the biggest slice
   of the cake since they will most probably grow the most.

Change-Id: I1c5b51858700027ee283ac85d18e06863a27c72e

Change-Id: Ib3d92df3af53820cfbb2977582ed0d7abf6ef893