arm64: dts: renesas: sparrow-hawk: Add overlay for IMX219 on J2

arm64: dts: renesas: sparrow-hawk: Add overlay for IMX219 on J2

Add an overlay to connect an IMX219 camera sensor to the J2 connector.
The IMX219 utilizes 2 CSI-2 D-PHY lanes. This enables the video capture
pipeline behind the CSI41 Rx to be enabled to process images from the
sensor.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250905084050.310651-3-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>