add bootargs root

hc

2023-02-14 89db217f27d1d16339e417d7db6cfc7341442919

prebuilts/gcc/linux-x86/aarch64/gcc-arm-10.3-2021.07-x86_64-aarch64-none-linux-gnu/aarch64-none-linux-gnu/lib64/libstdc++.a does not exist in tree 7cc36ac9e0631390592a732816e082717d9b7be6