extmod/moduhashlib: Call MP_MAKE_NEW_GET_ONLY_FLAGS() in make_new()'s.
extmod/moduhashlib: Call MP_MAKE_NEW_GET_ONLY_FLAGS() in make_new()'s.

Change-Id: I1e9d07ef347d04ea638dc65e905d996cd56b9ccd
Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython