scripts: Add AE350 to platform list in the binary archive script

This patch adds Andes AE350 to RV64 platform list in the binary
archive script.

Signed-off-by: Nylon Chen <nylon7@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>