Revert changes to avrdude path

These were accidentally committed in the previous commit.

Author: matthijskooijman

avr/platform.txt

@@ -59,8 +59,8 @@ recipe.size.regex.eeprom=^(?:\.eeprom)\s+([0-9]+).*
 # AVR Uploader/Programmers tools
 # ------------------------------
 
-tools.avrdude.cmd.path=/usr/bin/avrdude
-tools.avrdude.config.path=/etc/avrdude.conf
+tools.avrdude.cmd.path={runtime.ide.path}/hardware/tools/avr/bin/avrdude
+tools.avrdude.config.path={runtime.ide.path}/hardware/tools/avr/etc/avrdude.conf
 
 tools.avrdude.upload.params.verbose=-v -v -v -v
 tools.avrdude.upload.params.quiet=-q -q