Update Doxygen markup in PATCHES, BUGS, and TODO:

- In the File List, these files are listed and link to empty pages.
- This patch adds @file blocks to reference the pages each file contains.
- Remove redundant "OpenOCD" from PATCHES title; it clutters the tree view.


git-svn-id: svn://svn.berlios.de/openocd/trunk@1916 b42882b7-edfa-0310-969c-e2dbd0fdcd60