feat(qemu): setup memory map for RME

Reserve some space in DRAM for RMM, and some space in SRAM for the GPT
tables. Create the page table mappings.

Change-Id: I3822e7e505e86eb0fa15b1b5b6298e4122b17181
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
5 files changed