Some things for time:* (#211)

- Fully implement ISystemClock
- Implement ISteadyClock 1.0 cmds
- Add cmd 300 to IStaticService
- Add EphemeralNetwork to SystemClockType

Ryujinx.HLE/OsHle/Services/Time/ISteadyClock.cs

@@ -1,4 +1,5 @@
 using Ryujinx.HLE.OsHle.Ipc;
+using System;
 using System.Collections.Generic;
 
 namespace Ryujinx.HLE.OsHle.Services.Time
@@ -9,12 +10,44 @@ namespace Ryujinx.HLE.OsHle.Services.Time
 
         public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
 
+        private ulong TestOffset;
+
         public ISteadyClock()
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                //...
+                { 0, GetCurrentTimePoint },
+                { 1, GetTestOffset       },
+                { 2, SetTestOffset       }
             };
+
+            TestOffset = 0;
+        }
+
+        public long GetCurrentTimePoint(ServiceCtx Context)
+        {
+            Context.ResponseData.Write((long)(System.Diagnostics.Process.GetCurrentProcess().StartTime - DateTime.Now).TotalSeconds);
+
+            for (int i = 0; i < 0x10; i++)
+            {
+                Context.ResponseData.Write((byte)0);
+            }
+
+            return 0;
+        }
+
+        public long GetTestOffset(ServiceCtx Context)
+        {
+            Context.ResponseData.Write(TestOffset);
+
+            return 0;
+        }
+
+        public long SetTestOffset(ServiceCtx Context)
+        {
+            TestOffset = Context.RequestData.ReadUInt64();
+
+            return 0;
         }
     }
 }