media: dt-bindings: media: ov5647: Fix filename

Commit 1b5071af ("media: dt-bindings: media: i2c: Rename
ov5647.yaml") renamed the bindings file but did not update the
Id: field there.

Fix it by using the new filename.

Fixes: 1b5071af ("media: dt-bindings: media: i2c: Rename ov5647.yaml")
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>