Openpiton BOARD
M:	Tianrui Wei <tianrui-wei@outlook.com>
S:	Maintained
F:	board/openpiton/riscv64/
F:	include/configs/openpiton-riscv64.h
F:	configs/openpiton_riscv64_defconfig
F:	configs/openpiton_riscv64_spl_defconfig
F:  drivers/mmc/piton_mmc.c
F:  arch/riscv/dts/openpiton-riscv64.dts