dt-bindings: power: add Amlogic A4 power domains

Add devicetree binding document and related header file for
Amlogic A4 secure power domains.

Acked-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Xianwei Zhao <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml

···
     enum:
       - amlogic,meson-a1-pwrc
       - amlogic,meson-s4-pwrc
+      - amlogic,a4-pwrc
       - amlogic,c3-pwrc
       - amlogic,t7-pwrc
 

include/dt-bindings/power/amlogic,a4-pwrc.h

···
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright (C) 2024 Amlogic, Inc. All rights reserved
+ */
+#ifndef _DT_BINDINGS_AMLOGIC_A4_POWER_H
+#define _DT_BINDINGS_AMLOGIC_A4_POWER_H
+
+#define PWRC_A4_AUDIO_ID				0
+#define PWRC_A4_SDIOA_ID				1
+#define PWRC_A4_EMMC_ID					2
+#define PWRC_A4_USB_COMB_ID				3
+#define PWRC_A4_ETH_ID					4
+#define PWRC_A4_VOUT_ID					5
+#define PWRC_A4_AUDIO_PDM_ID				6
+#define PWRC_A4_DMC_ID					7
+#define PWRC_A4_SYS_WRAP_ID				8
+#define PWRC_A4_AO_I2C_S_ID				9
+#define PWRC_A4_AO_UART_ID				10
+#define PWRC_A4_AO_IR_ID				11
+
+#endif