Log Message:
sysutils/u-boot-rockpro64-ayufan: import u-boot-rockpro64-ayufan-2020.01.2007

This package provides U-Boot for the rk3399-based RockPRO64 from PINE64;
built from ayufan's branch.

This branch has improved boot device support that does not yet exist
in mainline U-Boot. For example for booting from SPI, NVMe and AHCI.