hwmon: (hwmon-vid) Fix checkpatch issues

Fixed:
ERROR: code indent should use tabs where possible
ERROR: space required before the open parenthesis '('
WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable

Not fixed (url):
WARNING: line over 80 characters

Not fixed (false positive):
ERROR: Macros with complex values should be enclosed in parenthesis

Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>