iop: Add new BCM toolchain, remove old ones
Add new BCM toolchain needed for BCM SDK 5.04L04 to iop setup_host. Remove old toolchains. Add toolchain prefix dir to tar command since tarballs does not have it now.
Add new BCM toolchain needed for BCM SDK 5.04L04 to iop setup_host. Remove old toolchains. Add toolchain prefix dir to tar command since tarballs does not have it now.