dt-bindings: arm: Convert QCom board/soc bindings to json-schema

Convert QCom SoC bindings to DT schema format using json-schema.

Acked-by: Andy Gross <andy.gross@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>