CDROM: Add 3 sectors read time to seek time

Simulates the drive's inprecise coarse seek then reading subq to get to
the exact sector.

Fixes Waku Waku Derby.

src/core/cdrom.cpp

@@ -573,8 +573,9 @@ TickCount CDROM::GetTicksForSeek(CDImage::LBA new_lba)
     ticks += static_cast<u32>(static_cast<double>(MASTER_CLOCK) * 0.1);
   }
 
-  // time to read the sector
-  ticks += GetTicksForRead();
+  // it's unlikely that the drive would seek to exactly the correct position, so simulate this by adding the time
+  // required to read a few sectors
+  ticks += GetTicksForRead() * 3u;
 
   Log_DevPrintf("Seek time for %u LBAs: %d", lba_diff, ticks);
   return ticks;