prerequisite of upcoming `tools/lzop` addition, and subsequent initramfs
and squashfs cleanups
same as `packages/lzo` modified to be a HOST/tools type build,
and should always be the same version and sources when either one is
bumped
because this (and `packages/lzo`) only provide liblzo and no
executables, use the clearer name `tools/liblzo`
Signed-off-by: Tony Butler <spudz76@gmail.com>
