arm64: dts: qcom: msm8916-pins: keep cdc_dmic pins in suspend mode

This node was the only one that didn't have the same set of pins in
active and suspend mode.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>