Added Wii disc speed emulation

Added disc access time emulation
Enabled the disc transfer speed by default
Changed the system timing back to the pre-r6090 default (thanks to tsilibourditsas for testing)
Changed the game property to "Speed up disc transfer rate".  Leave this disabled for the most compatible setting.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6284 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/DolphinWX/Src/ISOProperties.h

@@ -85,7 +85,7 @@ class CISOProperties : public wxDialog
 		wxStaticText *OverrideText;
 		// Core
 		wxCheckBox *CPUThread, *SkipIdle, *MMU, *MMUBAT, *TLBHack;
-		wxCheckBox *AlternateRFI, *EmulateDiscSpeed, *BlockMerging;
+		wxCheckBox *AlternateRFI, *FastDiscSpeed, *BlockMerging;
 		// Wii
 		wxCheckBox *EnableProgressiveScan, *EnableWideScreen;
 		// Video