dt-bindings: interconnect: split SC8280XP to own schema

SC8280XP comes with interconnects without IO address space, so split it
from common file for easier maintenance and to fix warnings like:

sc8280xp-lenovo-thinkpad-x13s.dtb: interconnect-mc-virt: 'reg' is a required property

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Georgi Djakov <[e-mail]>

Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml

···
       - qcom,sc8180x-mmss-noc
       - qcom,sc8180x-qup-virt
       - qcom,sc8180x-system-noc
-      - qcom,sc8280xp-aggre1-noc
-      - qcom,sc8280xp-aggre2-noc
-      - qcom,sc8280xp-clk-virt
-      - qcom,sc8280xp-config-noc
-      - qcom,sc8280xp-dc-noc
-      - qcom,sc8280xp-gem-noc
-      - qcom,sc8280xp-lpass-ag-noc
-      - qcom,sc8280xp-mc-virt
-      - qcom,sc8280xp-mmss-noc
-      - qcom,sc8280xp-nspa-noc
-      - qcom,sc8280xp-nspb-noc
-      - qcom,sc8280xp-system-noc
       - qcom,sdm845-aggre1-noc
       - qcom,sdm845-aggre2-noc
       - qcom,sdm845-config-noc

Documentation/devicetree/bindings/interconnect/qcom,sc8280xp-rpmh.yaml

···
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,sc8280xp-rpmh.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm RPMh Network-On-Chip Interconnect on SC8280XP
+
+maintainers:
+  - Bjorn Andersson <[e-mail]>
+  - Konrad Dybcio <[e-mail]>
+
+description: |
+  RPMh interconnect providers support system bandwidth requirements through
+  RPMh hardware accelerators known as Bus Clock Manager (BCM).
+
+  See also:: include/dt-bindings/interconnect/qcom,sc8280xp.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sc8280xp-aggre1-noc
+      - qcom,sc8280xp-aggre2-noc
+      - qcom,sc8280xp-clk-virt
+      - qcom,sc8280xp-config-noc
+      - qcom,sc8280xp-dc-noc
+      - qcom,sc8280xp-gem-noc
+      - qcom,sc8280xp-lpass-ag-noc
+      - qcom,sc8280xp-mc-virt
+      - qcom,sc8280xp-mmss-noc
+      - qcom,sc8280xp-nspa-noc
+      - qcom,sc8280xp-nspb-noc
+      - qcom,sc8280xp-system-noc
+
+required:
+  - compatible
+
+allOf:
+  - $ref: qcom,rpmh-common.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    interconnect-0 {
+        compatible = "qcom,sc8280xp-aggre1-noc";
+        #interconnect-cells = <2>;
+        qcom,bcm-voters = <&apps_bcm_voter>;
+    };