dt-bindings: power: qcom,rpmhpd: Add Generic RPMh PD indexes

Add Generic RPMh Power Domain indexes that can be used
for all the Qualcomm SoC henceforth.
The power domain indexes of these bindings are based on compatibility
with current targets like SM8[2345]50 targets.
Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Suggested-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/1689744162-9421-2-git-send-email-quic_rohiagar@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

include/dt-bindings/power/qcom,rpmhpd.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_POWER_QCOM_RPMHPD_H
+#define _DT_BINDINGS_POWER_QCOM_RPMHPD_H
+
+/* Generic RPMH Power Domain Indexes */
+#define RPMHPD_CX               0
+#define RPMHPD_CX_AO		1
+#define RPMHPD_EBI		2
+#define RPMHPD_GFX		3
+#define RPMHPD_LCX		4
+#define RPMHPD_LMX		5
+#define RPMHPD_MMCX		6
+#define RPMHPD_MMCX_AO		7
+#define RPMHPD_MX		8
+#define RPMHPD_MX_AO		9
+#define RPMHPD_MXC		10
+#define RPMHPD_MXC_AO		11
+#define RPMHPD_MSS              12
+#define RPMHPD_NSP		13
+#define RPMHPD_NSP0             14
+#define RPMHPD_NSP1             15
+#define RPMHPD_QPHY             16
+#define RPMHPD_DDR              17
+#define RPMHPD_XO               18
+
+#endif