[hal] Rename PowerDistributionPanel to PowerDistribution (#3466)

Makes HAL more generic for the PDP, to enable the Rev PDH in the future.

hal/src/main/native/athena/mockdata/PowerDistributionData.cpp

@@ -0,0 +1,33 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#include "hal/simulation/PowerDistributionData.h"
+
+#include "../PortsInternal.h"
+#include "hal/simulation/SimDataValue.h"
+
+extern "C" {
+void HALSIM_ResetPowerDistributionData(int32_t index) {}
+
+#define DEFINE_CAPI(TYPE, CAPINAME, RETURN) \
+  HAL_SIMDATAVALUE_STUB_CAPI(TYPE, HALSIM, PowerDistribution##CAPINAME, RETURN)
+
+DEFINE_CAPI(HAL_Bool, Initialized, false)
+DEFINE_CAPI(double, Temperature, 0)
+DEFINE_CAPI(double, Voltage, 0)
+HAL_SIMDATAVALUE_STUB_CAPI_CHANNEL(double, HALSIM, PowerDistributionCurrent, 0)
+
+void HALSIM_GetPowerDistributionAllCurrents(int32_t index, double* currents) {
+  for (int i = 0; i < hal::kNumPDPChannels; i++) {
+    currents[i] = 0;
+  }
+}
+
+void HALSIM_SetPowerDistributionAllCurrents(int32_t index,
+                                            const double* currents) {}
+
+void HALSIM_RegisterPowerDistributionAllNonCurrentCallbacks(
+    int32_t index, int32_t channel, HAL_NotifyCallback callback, void* param,
+    HAL_Bool initialNotify) {}
+}  // extern "C"