Documentation: add makefiles for more targets

Add a bunch of previously unbuilt source files to the Documentation build
machinery.

Signed-off-by: Peter Foley <pefoley2@pefoley.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 605f84f..6883a1b 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -1,3 +1,4 @@
-subdir-y := DocBook accounting auxdisplay connector \
-	filesystems filesystems ia64 laptops networking \
-	pcmcia spi timers watchdog misc-devices
+subdir-y := accounting arm auxdisplay blackfin connector \
+	filesystems filesystems ia64 laptops mic misc-devices \
+	networking pcmcia prctl ptp spi timers vDSO video4linux \
+	watchdog