module: Extend the module namespace parsing

Instead of only accepting "module:${name}", extend it with a comma
separated list of module names and add tail glob support.

That is, something like: "module:foo-*,bar" is now possible.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>