hwmon: w83627hf: Reorder symbols to get rid of a few forward declarations

Declarations for static symbols are useless code repetition (unless
there are cyclic dependencies).

Reorder some functions and variables which allows to get rid of 7
forward declarations.

Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guenter Roeck <[email protected]>

Author: Uwe Kleine-König