- IPC service for handling ReverseNX-RT communication, reducing I/O requests

- Set config for "Auto CPU Boost"/"Sync ReverseNX Mode" in overlay

- Apply hardened freq cap to handheld mode (CPU@1963MHz, GPU@921MHz)

Source/sys-clk-OC/common/include/sysclk/ipc.h

@@ -13,8 +13,8 @@
 #include <stdint.h>
 #include "clocks.h"
 
-#define SYSCLK_IPC_API_VERSION 0
-#define SYSCLK_IPC_SERVICE_NAME "sys:clk"
+#define SYSCLK_IPC_API_VERSION 1
+#define SYSCLK_IPC_SERVICE_NAME "sysclkOC"
 
 enum SysClkIpcCmd
 {
@@ -29,6 +29,7 @@ enum SysClkIpcCmd
     SysClkIpcCmd_SetOverride = 8,
     SysClkIpcCmd_GetConfigValues = 9,
     SysClkIpcCmd_SetConfigValues = 10,
+    SysClkIpcCmd_SetReverseNXRTMode = 11,
 };