armv8: fsl_lsch2: Add LS1046A SoC support

The LS1046A processor is built on the QorIQ LS series architecture
combining four ARM A72 processor cores with DPAA 1.0 support.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Mihai Bantea <mihai.bantea@freescale.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc
index 8eee016..f7b949a 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc
+++ b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc
@@ -3,6 +3,7 @@
 	1. LS1043A
 	2. LS2080A
 	3. LS1012A
+	4. LS1046A
 
 LS1043A
 ---------
@@ -127,3 +128,44 @@
     - Two WatchDog timers
     - ARM generic timer
  - QorIQ platform's trust architecture 2.1
+
+LS1046A
+--------
+The LS1046A integrated multicore processor combines four ARM Cortex-A72
+processor cores with datapath acceleration optimized for L2/3 packet
+processing, single pass security offload and robust traffic management
+and quality of service.
+
+The LS1046A SoC includes the following function and features:
+ - Four 64-bit ARM Cortex-A72 CPUs
+ - 2 MB unified L2 Cache
+ - One 64-bit DDR4 SDRAM memory controllers with ECC and interleaving
+   support
+ - Data Path Acceleration Architecture (DPAA) incorporating acceleration the
+   the following functions:
+   - Packet parsing, classification, and distribution (FMan)
+   - Queue management for scheduling, packet sequencing, and congestion
+     management (QMan)
+   - Hardware buffer management for buffer allocation and de-allocation (BMan)
+   - Cryptography acceleration (SEC)
+ - Two Configurable x4 SerDes
+   - Two PLLs per four-lane SerDes
+   - Support for 10G operation
+ - Ethernet interfaces by FMan
+   - Up to 2 x XFI supporting 10G interface (MAC 9, 10)
+   - Up to 1 x QSGMII (MAC 5, 6, 10, 1)
+   - Up to 4 x SGMII supporting 1000Mbps (MAC 5, 6, 9, 10)
+   - Up to 3 x SGMII supporting 2500Mbps (MAC 5, 9, 10)
+   - Up to 2 x RGMII supporting 1000Mbps (MAC 3, 4)
+ - High-speed peripheral interfaces
+   - Three PCIe 3.0 controllers, one supporting x4 operation
+   - One serial ATA (SATA 3.0) controllers
+ - Additional peripheral interfaces
+   - Three high-speed USB 3.0 controllers with integrated PHY
+   - Enhanced secure digital host controller (eSDXC/eMMC)
+   - Quad Serial Peripheral Interface (QSPI) Controller
+   - Serial peripheral interface (SPI) controller
+   - Four I2C controllers
+   - Two DUARTs
+   - Integrated flash controller (IFC) supporting NAND and NOR flash
+ - QorIQ platform's trust architecture 2.1