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>
diff --git a/configs/ls1028ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1028ardb_tfa_SECURE_BOOT_defconfig
index 6fa14af..c999f3e 100644
--- a/configs/ls1028ardb_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1028ardb_tfa_SECURE_BOOT_defconfig
@@ -76,3 +76,4 @@
 CONFIG_RSA=y
 CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
+CONFIG_GIC_V3_ITS=y