Fix Burn bootloader rule

Author: facchinm

platform.txt

@@ -115,4 +115,4 @@ tools.arduino101load.erase.params.quiet=
 tools.arduino101load.erase.pattern=
 tools.arduino101load.bootloader.params.verbose=-v
 tools.arduino101load.bootloader.params.quiet=-q
-tools.arduino101load.bootloader.pattern="{cmd.path}" -dfu="{runtime.tools.dfu-util.path}/x86/bin" -bin="{build.path}/{build.project_name}.bin" -port={serial.port} "{upload.verbose}" -force -core={version}
+tools.arduino101load.bootloader.pattern="{cmd.path}" -dfu="{runtime.tools.dfu-util.path}/x86/bin"  -port={serial.port} "{bootloader.verbose}" -f -core={version}