drivers/mfd/rtsx_usb.c: export device table

drivers/mfd/rtsx_usb.c: export device table

The rtsx_usb driver contains the table for the devices it supports but
doesn't export it.  As a result, no alias is generated and it doesn't
get loaded automatically.

Via https://bugzilla.novell.com/show_bug.cgi?id=890096

Signed-off-by: Jeff Mahoney <[email protected]>
Reported-by: Marcel Witte <[email protected]>
Cc: Roger Tseng <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>