add support for remote upload on Yun shield

Author: facchinm

hardware/arduino/avr/platform.txt

@@ -113,6 +113,7 @@ tools.avrdude.bootloader.params.verbose=-v
 tools.avrdude.bootloader.params.quiet=-q -q
 tools.avrdude.bootloader.pattern="{cmd.path}" "-C{config.path}" {bootloader.verbose} -p{build.mcu} -c{protocol} {program.extra_params} "-Uflash:w:{runtime.platform.path}/bootloaders/{bootloader.file}:i" -Ulock:w:{bootloader.lock_bits}:m
 
+tools.avrdude_remote.upload.pattern=/usr/bin/run-avrdude /tmp/sketch.hex {upload.verbose} -p{build.mcu}
 
 # USB Default Flags
 # Default blank usb manufacturer will be filled in at compile time

hardware/arduino/sam/platform.txt

@@ -105,3 +105,4 @@ tools.bossac.upload.params.quiet=
 tools.bossac.upload.params.verify=-v
 tools.bossac.upload.pattern="{path}/{cmd}" {upload.verbose} --port={serial.port.file} -U {upload.native_usb} -e -w {upload.verify} -b "{build.path}/{build.project_name}.bin" -R
 
+tools.bossac_remote.upload.pattern=/usr/bin/run-bossac {upload.verbose} --port=ttyATH0 -U {upload.native_usb} -e -w -v -b /tmp/sketch.bin -R