Lava: Update FVP parameters for RSE

Update to match the required addresses in
Ib27ceef3ed0402f447b25b5debbb8d2991ad97aeY, where the message loading
address is moved into the reset-persistent part of the SRAM and the
cookie for the persistent data area is moved into the GRETREG.

Change-Id: I7a78d26b521017ab527cd769f92e0bc305a56926
Signed-off-by: Raef Coles <raef.coles@arm.com>
Signed-off-by: Jackson Cooper-Driver <jackson.cooper-driver@arm.com>
4 files changed