loggin: Add IPC logging category.

src/common/logging/backend.cpp

@@ -43,6 +43,7 @@ namespace Log {
     SUB(HW, LCD)                                                                                   \
     SUB(HW, GPU)                                                                                   \
     SUB(HW, AES)                                                                                   \
+    CLS(IPC)                                                                                       \
     CLS(Frontend)                                                                                  \
     CLS(Render)                                                                                    \
     SUB(Render, Software)                                                                          \
@@ -91,8 +92,8 @@ const char* GetLevelName(Level log_level) {
 
 Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
                   const char* function, const char* format, va_list args) {
-    using std::chrono::steady_clock;
     using std::chrono::duration_cast;
+    using std::chrono::steady_clock;
 
     static steady_clock::time_point time_origin = steady_clock::now();
 

src/common/logging/log.h

@@ -60,6 +60,7 @@ enum class Class : ClassType {
     HW_LCD,            ///< LCD register emulation
     HW_GPU,            ///< GPU control emulation
     HW_AES,            ///< AES engine emulation
+    IPC,               ///< IPC interface
     Frontend,          ///< Emulator UI
     Render,            ///< Emulator video output and hardware acceleration
     Render_Software,   ///< Software renderer backend