[media] Schedule removal of i.MX25 support in mx2_camera.c

Support for i.MX25 in mx2_camera.c has been broken
for a year. Furthermore, i.MX25 video capture HW
doesn't have much in common with i.MX27. A separate
driver would be desirable.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/feature-removal-schedule.txt

@@ -6,6 +6,15 @@ be removed from this file.  The suggested deprecation period is 3 releases.
 
 ---------------------------
 
+What:	support for i.mx25 in mx2_camera.c
+When:	v3.8
+Why:	it's been broken for a year. Furthermore, i.MX25 video capture
+	HW doesn't have much in common with i.MX27. A separate driver
+	will be needed for it.
+Who:	Javier Martin<javier.martin@vista-silicon.com>
+
+---------------------------
+
 What:	ddebug_query="query" boot cmdline param
 When:	v3.8
 Why:	obsoleted by dyndbg="query" and module.dyndbg="query"