intel: agilex: Fix BL31 memory mapping
intel: agilex: Fix BL31 memory mapping

Previous config blocks ATF runtime service communications with SDM mailbox

Signed-off-by: Hadi Asyrafi <66ad4c8fdef6f533a2e399df0c874daeacca5916@intel.com>
Change-Id: Ic97aa381d3ceb96395595ec192132859d626b8d1

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware