dt-bindings: visionox-rm69299: Update maintainers

dt-bindings: visionox-rm69299: Update maintainers

The current maintainer (Harigovindan P) is no longer reachable through
the listed email. Update maintainers list to be Abhinav and I.

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240202-rm69299-maintainers-v1-1-423aa40f344f@quicinc.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240202-rm69299-maintainers-v1-1-423aa40f344f@quicinc.com