Packages such as Perl, Lua, shell scripts don't generate binary files.
Add PKGARCH:=all to them.
Signed-off-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn>
While at it, also do the following fixes
- Drop the URL pointing to the old github repo
- Fix detection of default set of private keys
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>