dt-bindings: interconnect/msm8996-cbf: add defines to be used by CBF

On msm8996 CBF interconnects power and performance CPU clusters. Add
corresponding interconnect defines to be used in device trees.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Yassine Oudjana <y.oudjana@protonmail.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230512001334.2983048-2-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>

include/dt-bindings/interconnect/qcom,msm8996-cbf.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2023 Linaro Ltd. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_MSM8996_CBF_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_MSM8996_CBF_H
+
+#define MASTER_CBF_M4M		0
+#define SLAVE_CBF_M4M		1
+
+#endif