arm64: dts: qcom: sc7280: Enable wifi for Chrome OS boards

Enable the 'wifi' and 'remoteproc_wpss' nodes for all sc7280
based Chrome OS boards. Delete the corresponding entries from
sc7280-idp.dtsi since this file includes sc7280-chrome-common.dtsi.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220518155252.1.I176d4254c79cfaafa38cbe36f066f02f819df9b6@changeid