Add devicetree support for Thor96 board from Einfochips. This board is
one of the 96Boards Consumer Edition platform powered by the NXP
i.MX8MQ SoC.

Following are the features supported currently:

1. uSD
2. WiFi/BT
3. Ethernet
4. EEPROM (M24256)
5. NOR Flash (W25Q256JW)
6. 2xUSB3.0 ports and 1xUSB2.0 port at HS expansion

More information about this board can be found in Arrow website:
https://www.arrow.com/en/products/i.imx8-thor96/arrow-development-tools

Link to 96Boards CE Specification: https://linaro.co/ce-specificationSigned-off-by: Darshak Patel <darshak.patel@einfochips.com>
[Mani: cleaned up for upstream]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>