armv8: ls1028a: Add NXP LS1028A SoC support

armv8: ls1028a: Add NXP LS1028A SoC support

Ls1028a SoC is based on Layerscape Chassis Generation 3.2
architecture with features:
 2 ARM v8 Cortex-A72 cores, CCI400, SEC, DDR3L/4, LCD, GPU, TSN
 ENETC, 2 USB 3.0, 2 eSDHC, 2 FlexCAN, 2 SPI, SATA, 8 I2C controllers,
 6 LPUARTs, GPIO, SAI, qDMA, eDMA, GIC, TMU etc.

Signed-off-by: Sudhanshu Gupta <[email protected]>
Signed-off-by: Rai Harninder <[email protected]>
Signed-off-by: Rajesh Bhagat <[email protected]>
Signed-off-by: Bhaskar Upadhaya <[email protected]>
Signed-off-by: Tang Yuantian <[email protected]>
Reviewed-by: Prabhakar Kushwaha <[email protected]>