shut up DSi-IO warnings

src/NDS.cpp

@@ -2978,6 +2978,12 @@ u16 ARM9IORead16(u32 addr)
 
     case 0x04000300: return PostFlag9;
     case 0x04000304: return PowerControl9;
+
+    case 0x04004000:
+    case 0x04004004:
+    case 0x04004010:
+        // shut up logging for DSi registers
+        return 0;
     }
 
     if ((addr >= 0x04000000 && addr < 0x04000060) || (addr == 0x0400006C))
@@ -3111,6 +3117,12 @@ u32 ARM9IORead32(u32 addr)
         if (!(ExMemCnt[0] & (1<<11))) return NDSCart::ReadROMData();
         return 0;
 
+    case 0x04004000:
+    case 0x04004004:
+    case 0x04004010:
+        // shut up logging for DSi registers
+        return 0;
+
     // NO$GBA debug register "Clock Cycles"
     // Since it's a 64 bit reg. the CPU will access it in two parts:
     case 0x04FFFA20: return (u32)(GetSysClockCycles(0) & 0xFFFFFFFF);