Staging: ti-st: Update TODO

An important TODO was to remove global references in TI-ST driver,
thereby providing a context to the driver.
This should also serve as a small step in removal of the single device
limit.
Signed-off-by: NPavan Savoy <pavan_savoy@ti.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/ti-st/TODO

@@ -18,7 +18,9 @@ http://git.omapzoom.org/?p
 4. Re-structure to make the ldisc driver more generic for chipsets which mux
 multiple connectivity (BT, FM, GPS) upon 1 TTY port.
 
-5. Step up and maintain this driver to ensure that it continues
+5. Remove global references by providing a context which can be moved around the driver like the other ldisc drivers. (ldiscs tend to use tty's disc_data and platform devices use the device's driver data)
+
+6. Step up and maintain this driver to ensure that it continues
 to work.  Having the hardware for this is pretty much a
 requirement.  If this does not happen, the will be removed in
 the 2.6.35 kernel release.