Merge tag 'imx-dt64-4.21' into imx/qspi-dt

Merge tag 'imx-dt64-4.21' into imx/qspi-dt

Freescale arm64 device tree update for 4.21:
 - Add device tree for LS1028A SoC and NXP FRWY & QDS boards support
   based on this SoC.
 - Add device tree for LX2160A SoC and NXP QDS & RDB boards support
   based on this SoC.
 - Add qdma devices for LS1043A and LS1046A SoC.
 - Disable PCIe device by default in SoC device tree and let board level
   device tree to enable as needed.
 - Drop compatible string "snps,dw-pcie" from LayerScape PCIe devices to
   avoid incorrect matching.
 - Move fsl-mc device as a child node of soc node, and add missing
   dma-ranges property for LS1088A SoC.
 - Update LayerScape SoCs' cooling maps to include all devices affected
   by individual trip points.