armv8: lx2160a: Add LX2160A SoC Support

LX2160A Soc is based on Layerscape Chassis Generation 3.2
architecture with features:
 16 ARM v8 Cortex-A72 cores in 8 cluster, CCN508, SEC,
 2 64-bit DDR4 memory controller, RGMII, 8 I2C controllers,
 3 serdes modules, USB 3.0, SATA, 4 PL011 SBSA UARTs,
 4 TZASC instances, etc.

SoC personalites:
LX2120A is SoC with Twelve 64-bit ARM v8 Cortex-A72 CPUs
LX2080A is SoC with Eight 64-bit ARM v8 Cortex-A72 CPUs

Signed-off-by: Bao Xiaowei <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/drivers/ddr/fsl/Kconfig b/drivers/ddr/fsl/Kconfig
index a3d2bd5..c5bd8a8 100644
--- a/drivers/ddr/fsl/Kconfig
+++ b/drivers/ddr/fsl/Kconfig
@@ -34,6 +34,7 @@
 			ARCH_P4080	|| \
 			ARCH_P5020	|| \
 			ARCH_P5040	|| \
+			ARCH_LX2160A	|| \
 			ARCH_T4160
 	default 1