dt-bindings: arm: qcom: Document Mahua SoC and board

dt-bindings: arm: qcom: Document Mahua SoC and board

Mahua is a derivative of Glymur SoC with the third CPU cluster disabled.
Document the compatible strings for the Mahua SoC and the Compute
Reference Device (CRD) board based on it.

Signed-off-by: Gopikrishna Garmidi <gopikrishna.garmidi@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260318124100.212992-2-gopikrishna.garmidi@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>