[PATCH] wireless: move zd1201 where it belongs

zd1201 is wifi adapter, yet it is hiding in drivers/usb/net where
noone can find it. This moves Kconfig/Makefile zd1201 to the right
place.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>