Staging: w35und: wb35reg struct typedef removal

This patch removes the WB35REG struct typedefs and fixes up variable names that
use the type.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>