This is conflicting with tools/zip where the HostBuild is specified.
This should allow the zip package to show up.
Several cleanups were also performed for consistency between packages.
Added PKG_BUILD_PARALLEL:=1 for faster compilation.
Remove PKG_CHECK_FORMAT_SECURITY. Patched the issue instead.
Signed-off-by: Rosen Penev <rosenp@gmail.com>