Staging: vt665x: Typedef and macro cleanup Part 2

Clean up unused typedefs and macros to remove Win32'isms and
misc non-linux constructs.  Text edits to referencing
source for less frequently used macros.

Signed-off-by: Jim Lieb <lieb@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>