Add Andes 32-bit defconfig for AE3XX platform.
Signed-off-by: Che-Wei Chuang <cnoize@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Nylon Chen <nylon7@andestech.com>
[Thomas:
- fix commit title to match the defconfig name
- use the external toolchain package]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>