configs: ls1028a: Enable GIC_V3_ITS config

Enable GIC_V3_ITS config to initialize the GIC redistributor
tables.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Wasim Khan <wasim.khan@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
4 files changed