Fix CKOPT bit for ATmega8515 Turns out that it's not recommended to have the CKOPT fuse bit enabled when using the internal RC oscillator
Fix CKOPT bit for ATmega8515
Turns out that it's not recommended to have the CKOPT fuse bit enabled when using the internal RC oscillator

MCUdude/MajorCore,MCUdude/MajorCore,MCUdude/MajorCore