dt-bindings: soc: qcom: smd-rpm: add generic compatibles

dt-bindings: soc: qcom: smd-rpm: add generic compatibles

Add two generic compatibles to all smd-rpm devices, they follow the same
RPMSG protocol and are either accessed through the smd-edge or through
the glink-edge.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240729-fix-smd-rpm-v2-2-0776408a94c5@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>