[Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx>]

Hi Tamas,

Most dissectors use literals instead of PSNAME, etc - which I think I
prefer.

However, we could try:
- moving find_macros() from check_typed_item_calls.py to check_common.py
and use that.  It looks for simple #define and also matches (some) enums -
has been used to get numerical values so far
- have check_spelling.py also call that function, and attempt to substitute
for the psname arg if it isn't a literal string?