dt-bindings: firmware: scm: Add SM8150 and SC7180 support

Add compatible for SM8150 and SC7180 SoCs.

Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Documentation/devicetree/bindings/firmware/qcom,scm.txt

@@ -16,7 +16,9 @@ Required properties:
  * "qcom,scm-msm8974"
  * "qcom,scm-msm8996"
  * "qcom,scm-msm8998"
+ * "qcom,scm-sc7180"
  * "qcom,scm-sdm845"
+ * "qcom,scm-sm8150"
  and:
  * "qcom,scm"
 - clocks: Specifies clocks needed by the SCM interface, if any: