arm64: dts: qcom: sc7280: Add q6usbdai node
Add a node for q6usb which handles USB audio offloading, allowing to
play audio via a USB-C headset with lower power consumption and enabling
some other features.
We also need to set num-hc-interrupters for the dwc3 for the q6usb to be
able to use its sideband interrupter.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250801-fp5-usb-audio-offload-v1-1-240fc213d3d3@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>