tree f2451a8477c1c0dd5f2f9d308a6698a973fecb60
parent cda2070778974e4b6a494013a3564e9171cfcff6
author Rick Chen <rick@andestech.com> 1520925843 +0800
committer Andes <uboot@andestech.com> 1522386809 +0800

doc: ae250: Describe riscv-linux booting via u-boot

Simply record riscv-linux booting steps and messages
from bbl via u-boot on QEMU in README.ae250.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>