CAN driver doesn't support poll() method

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1265 42af7a65-404d-4744-a932-0658087f49c3

TODO

-NuttX TODO List (Last updated November 13, 2008)
+NuttX TODO List (Last updated November 17, 2008)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
   (7)  Task/Scheduler (sched/)
@@ -10,7 +10,7 @@ NuttX TODO List (Last updated November 13, 2008)
  (12)  Network (net/, netutils/)
   (1)  USB (drivers/usbdev)
   (3)  Libraries (lib/)
-  (5)  File system/Generic drivers (fs/, drivers/)
+  (6)  File system/Generic drivers (fs/, drivers/)
   (1)  Pascal add-on (pcode/)
   (2)  Documentation (Documentation/)
   (3)  Build system
@@ -245,6 +245,10 @@ o File system / Generic drivers (fs/, drivers/)
   Status:      Open
   Priority:    Medium
 
+  Description: At present, the CAN driver does not support the poll() method.
+  Status:      Open
+  Priority:    Low
+
   Description: There is no way to remove a FIFO or PIPE created in the
                psuedo filesystem.  Once created, they persist indefinitely
                and cannot be unlinked.  This is actually a more generic