arm64: dts: renesas: white-hawk-csi-dsi: Use names for CSI-2 data line orders

arm64: dts: renesas: white-hawk-csi-dsi: Use names for CSI-2 data line orders

The symbolic names for the line-orders are now available in
<dt-bindings/media/video-interfaces.h>.  Switch to them instead of using
their numerical values.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250205103311.668768-1-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>