interconnect: msm8939: add support for AP-owned nodes

Port support for AP-owned nodes from the downstream device tree.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210903232421.1384199-10-dmitry.baryshkov@linaro.org


Signed-off-by: Georgi Djakov <djakov@kernel.org>