configs: zynqmp_kria: Enable CONFIG_OF_BOARD_SETUP

Enable CONFIG_OF_BOARD_SETUP, so we could use ft_board_setup()
to enable the kaslr-seed and pass to kernel.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20240117032014.1014084-3-venkatesh.abbarapu@amd.com