[media] v4l: Copy Reserved field in multi-planar API

Reserved field copied in multi-planar function
put_v4l2_plane32 handling to the 32bit compatibility layer.

Change-Id: I61a11a2bc885fbab0d36bc68d8836b2a379a50c0
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>