logger: Add LM service logging category.

src/common/logging/backend.cpp

@@ -41,6 +41,7 @@ namespace Log {
     SUB(Service, CFG)                                                                              \
     SUB(Service, DSP)                                                                              \
     SUB(Service, HID)                                                                              \
+    SUB(Service, LM)                                                                               \
     SUB(Service, NIFM)                                                                             \
     SUB(Service, NVDRV)                                                                            \
     SUB(Service, Audio)                                                                            \

src/common/logging/log.h

@@ -58,6 +58,7 @@ enum class Class : ClassType {
     Service_CFG,       ///< The CFG (Configuration) service
     Service_DSP,       ///< The DSP (DSP control) service
     Service_HID,       ///< The HID (Human interface device) service
+    Service_LM,        ///< The LM (Logger) service implementation
     Service_NIFM,      ///< The NIFM (Network interface) service
     Service_NVDRV,     ///< The NVDRV (Nvidia driver) service
     Service_Audio,     ///< The Audio (Audio control) service

src/core/hle/service/lm/lm.cpp

@@ -76,7 +76,7 @@ private:
         addr += sizeof(MessageHeader);
 
         if (!header.IsSingleMessage()) {
-            LOG_WARNING(Service, "Multi message logs are unimplemeneted");
+            LOG_WARNING(Service_LM, "Multi message logs are unimplemeneted");
             return;
         }
 
@@ -150,7 +150,7 @@ void LM::Initialize(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
     rb.PushIpcInterface<Logger>();
 
-    LOG_DEBUG(Service, "called");
+    LOG_DEBUG(Service_LM, "called");
 }
 
 LM::LM() : ServiceFramework("lm") {