Fix fuses bits.

fuse.cmd

@@ -3,4 +3,6 @@
 SET AVRDUDE=D:\Program\avrdude\avrdude.exe -C D:\Program\avrdude\avrdude.conf
 SET MCU=m8
 
+# 0x24 0xD1 -- internal 8Mhz, Brouwn detector, preserve eeprom
+# 0x3F 0xC1 -- ext hi speed q, Brouwn detector, preserve eeprom
 %AVRDUDE% -p %MCU% -c usbasp -U lfuse:w:0x3E:m -U hfuse:w:0xC9:m