dt-bindings: power: add RK3366 SoCs header for power-domain

According to a description from TRM, add all the power domains.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

include/dt-bindings/power/rk3366-power.h

+#ifndef __DT_BINDINGS_POWER_RK3366_POWER_H__
+#define __DT_BINDINGS_POWER_RK3366_POWER_H__
+
+/* VD_CORE */
+#define RK3366_PD_A53_0		0
+#define RK3366_PD_A53_1		1
+#define RK3366_PD_A53_2		2
+#define RK3366_PD_A53_3		3
+
+/* VD_LOGIC */
+#define RK3366_PD_BUS		4
+#define RK3366_PD_PERI		5
+#define RK3366_PD_VIO		6
+#define RK3366_PD_VIDEO		7
+#define RK3366_PD_RKVDEC	8
+#define RK3366_PD_WIFIBT	9
+#define RK3366_PD_VPU		10
+#define RK3366_PD_GPU		11
+#define RK3366_PD_ALIVE		12
+
+/* VD_PMU */
+#define RK3366_PD_PMU		13
+
+#endif