dt-bindings: gpu: img,powervr-rogue: Document GE7800 GPU in Renesas R-Car M3-N

dt-bindings: gpu: img,powervr-rogue: Document GE7800 GPU in Renesas R-Car M3-N

Document Imagination Technologies PowerVR Rogue GE7800 BNVC 15.5.1.64
present in Renesas R-Car R8A77965 M3-N SoC.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Matt Coster <matt.coster@imgtec.com>
Link: https://patch.msgid.link/20251104135716.12497-2-marek.vasut+renesas@mailbox.org
Signed-off-by: Matt Coster <matt.coster@imgtec.com>