pySim/ara_m, cosmetic: swap --nfc-always and --nfc-never options
The commandline options --nfc-always and --nfc-never appear in the
opposite order when compared to --apdu-never and --apdu-always.
Let's swap the options to make the helpscreen and the code more
consistent.
Change-Id: I7289c3628b1b8dd3eec2f1c8f2132e3015422960
Related: SYS#6959
