sh: Add media/soc_camera.h to board setup of Renesas AP325RXA

Other compilation errors were revised by commit of
"sh: ap325rxa: Revert ov772x support"
(08c2f5b4

) but other compilation
errors are given.
We revert this commit and need to add new header(media/soc_camera.h).
This change revises new compilation error.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>