firmware: qcom_scm: Add MDM9607 compatible

Add a compatible for MDM9607. It uses the "legacy" calling
convention.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013058.54299-1-konrad.dybcio@somainline.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

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

@@ -12,6 +12,7 @@ Required properties:
  * "qcom,scm-ipq4019"
  * "qcom,scm-ipq806x"
  * "qcom,scm-ipq8074"
+ * "qcom,scm-mdm9607"
  * "qcom,scm-msm8660"
  * "qcom,scm-msm8916"
  * "qcom,scm-msm8960"

drivers/firmware/qcom_scm.c

@@ -1281,6 +1281,9 @@ static const struct of_device_id qcom_scm_dt_match[] = {
 							     SCM_HAS_BUS_CLK)
 	},
 	{ .compatible = "qcom,scm-ipq4019" },
+	{ .compatible = "qcom,scm-mdm9607", .data = (void *)(SCM_HAS_CORE_CLK |
+							     SCM_HAS_IFACE_CLK |
+							     SCM_HAS_BUS_CLK) },
 	{ .compatible = "qcom,scm-msm8660", .data = (void *) SCM_HAS_CORE_CLK },
 	{ .compatible = "qcom,scm-msm8960", .data = (void *) SCM_HAS_CORE_CLK },
 	{ .compatible = "qcom,scm-msm8916", .data = (void *)(SCM_HAS_CORE_CLK |