Now that we have a secure stack section that guarantees usable memory,
allocate the PSCI stacks in that section.
Also add a diagram detailing how the stacks are placed in memory.
Reserved space for the target PC remains unchanged. This should be
moved to global variables within a secure data section in the future.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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