HLE: Add basic stubs to get Labo VR booting to title screen. (#4007)

* HLE: Add basic stubs to get Labo VR booting to title screen.

* Address code review

* Apply suggestions from code review (pt. 2)

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* Apply suggestions from code review (pt. 3)

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>
Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* Formatting: final batch?

Co-authored-by: Ac_K <Acoustik666@gmail.com>
Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Address last? bit of formatting

Co-authored-by: gdkchan <gab.dark.100@gmail.com>
Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>
Co-authored-by: Ac_K <Acoustik666@gmail.com>

Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs

@@ -298,6 +298,18 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
             return ResultCode.Success;
         }
 
+        [CommandHipc(67)] //3.0.0+
+        // IsIlluminanceAvailable() -> bool
+        public ResultCode IsIlluminanceAvailable(ServiceCtx context)
+        {
+            // NOTE: This should call IsAmbientLightSensorAvailable through to Lbl, but there's no situation where we'd want false.
+            context.ResponseData.Write(true);
+            
+            Logger.Stub?.PrintStub(LogClass.ServiceAm);
+
+            return ResultCode.Success;
+        }
+
         [CommandHipc(68)]
         // SetAutoSleepDisabled(u8)
         public ResultCode SetAutoSleepDisabled(ServiceCtx context)
@@ -318,6 +330,19 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
             return ResultCode.Success;
         }
 
+        [CommandHipc(71)] //5.0.0+
+        // GetCurrentIlluminanceEx() -> (bool, f32)
+        public ResultCode GetCurrentIlluminanceEx(ServiceCtx context)
+        {
+            // TODO: The light value should be configurable - presumably users using software that takes advantage will want control.
+            context.ResponseData.Write(1); // OverLimit
+            context.ResponseData.Write(10000f); // Lux - 10K lux is ambient light.
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAm);
+
+            return ResultCode.Success;
+        }
+
         [CommandHipc(80)] // 4.0.0+
         // SetWirelessPriorityMode(s32 wireless_priority_mode)
         public ResultCode SetWirelessPriorityMode(ServiceCtx context)