MMU mode renamed

Firmware/ultralcd.cpp

@@ -5319,7 +5319,7 @@ do\
 {\
 	if (mmu_enabled)\
 	{\
-		if (SilentModeMenu_MMU == 0) MENU_ITEM_FUNCTION_P(_i("MMU Mode   [Fast]"), lcd_silent_mode_mmu_set); \
+		if (SilentModeMenu_MMU == 0) MENU_ITEM_FUNCTION_P(_i("MMU Mode [Normal]"), lcd_silent_mode_mmu_set); \
 		else MENU_ITEM_FUNCTION_P(_i("MMU Mode[Stealth]"), lcd_silent_mode_mmu_set); \
 	}\
 }\