buildroot/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.hash

# From https://developer.arm.com/-/media/Files/downloads/gnu/13.2.rel1/binrel/arm-gnu-toolchain-13.2.rel1-x86_64-aarch64-none-linux-gnu.tar.xz.sha256asc
sha256  12fcdf13a7430655229b20438a49e8566e26551ba08759922cdaf4695b0d4e23  arm-gnu-toolchain-13.2.rel1-x86_64-aarch64-none-linux-gnu.tar.xz