dt-bindings: qcom: Add SC7180 bindings

dt-bindings: qcom: Add SC7180 bindings

Add a SoC string 'sc7180' for the qualcomm SC7180 SoC.
Also add a new board type 'idp'

While at it, also sort the SoC and board names in
alphabetical order, and also fix the weird space
and tab combinations found in the file.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20191108092824.9773-2-rnayak@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>