Staging: w35und: OS_MEMORY_ALLOC wrapper removal

This patch removes the rather scary OS_MEMORY_ALLOC macro.

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>