arm64: versal-net: Setup correct addresses of GICR/GICD

Previous addresses where used in past in emulation environment but never
gets to silicon that's why use correct addresses.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/5d3d0e1afb1f673ffeb4a1c5d7f040475c806a30.1707220293.git.michal.simek@amd.com