This toolchain is more than 7 years old now, and not maintained anymore.
Let's therefore remove it from Buildroot. There are still some
alternatives in-tree, such as ARM and Bootlin toolchains
Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
[Romain:
- rename TestExternalToolchainLinaroArm to TestExternalToolchainArmGnu
- update toolchain prefix arm-linux-gnueabihf to arm-none-linux-gnueabihf
- replace BR2_TOOLCHAIN_EXTERNAL_LINARO_ARM by BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARMV7_EABIHF_GLIBC_STABLE
since the ARM toolchain can't be enabled due to missing NEON support
]
Signed-off-by: Romain Naour <romain.naour@smile.fr>