py/obj.h: Make existing MP_TYPE_FLAG_xxx macros sequential.
py/obj.h: Make existing MP_TYPE_FLAG_xxx macros sequential.

There's no reason to have them non-sequential, this was likely a typo from
commit 9ec1caf42e7733b5141b7aecf1b6e58834a94bf7.

Change-Id: I913dd270f054ac9eb045f1802f3d27b527c92843
Signed-off-by: Damien George <99e6b749acbfbe2a596df99e91d24d6e1fdbee00@micropython.org>

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