rk2928: add empty pmu.h, make driver happy

arch/arm/mach-rk2928/include/mach/pmu.h

@@ -0,0 +1,40 @@
+#ifndef __MACH_PMU_H
+#define __MACH_PMU_H
+
+enum pmu_power_domain {
+	PD_A9_0 = 0,
+	PD_A9_1,
+	PD_ALIVE,
+	PD_RTC,
+	PD_SCU,
+	PD_CPU,
+	PD_PERI = 6,
+	PD_VIO,
+	PD_VIDEO,
+	PD_VCODEC = PD_VIDEO,
+	PD_GPU,
+	PD_DBG,
+};
+
+static inline bool pmu_power_domain_is_on(enum pmu_power_domain pd)
+{
+	return true;
+}
+
+static inline void pmu_set_power_domain(enum pmu_power_domain pd, bool on)
+{
+}
+
+enum pmu_idle_req {
+	IDLE_REQ_CPU = 0,
+	IDLE_REQ_PERI,
+	IDLE_REQ_GPU,
+	IDLE_REQ_VIDEO,
+	IDLE_REQ_VIO,
+};
+
+static inline void pmu_set_idle_request(enum pmu_idle_req req, bool idle)
+{
+}
+
+#endif