MAINTAINERS: add myself and Tudor as reviewers for Google Tensor SoC

MAINTAINERS: add myself and Tudor as reviewers for Google Tensor SoC

Add myself and Tudor as reviewers for the Google Tensor SoC alongside
Peter.

While at it, also add our IRC channel.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Acked-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20241203-gs101-maintainers-v1-1-f287036dbde5@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>