sunxi: add Transpeed 8K618-T board support

This is a Chinese TV box based on Allwinner H618 SoC.

The DRAM parameters were derived from the values found in a firmware update.

Signed-off-by: Nick Alilovic <nickalilovic@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2 files changed