LS1043AQDS Specification:
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Memory subsystem:
* 2GByte DDR4 DIMM
* 128 Mbyte NOR flash single-chip memory
* 512 Mbyte NAND flash
* 16 Mbyte high-speed SPI flash
* SD connector to interface with the SD memory card

Ethernet:
* Two RGMII ports
* XFI 10G port
* SGMII
* QSGMII with 4x 1G ports

PCIe: supports Gen 1 and Gen 2

SATA 3.0: one SATA 3.0 port

USB 3.0: two micro AB connector and one type A connector

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Shaohui Xie
Signed-off-by: Mingkai Hu
Signed-off-by: Hou Zhiqiang
Signed-off-by: Gong Qianyu
[York Sun: Add CONFIG_SYS_NS16550=y in defconfig]
Reviewed-by: York Sun