upd: update with silent installation in case of obsolete openocd

upd: optimization openocd version control

upd: optimization of openocd (mips) installation procedure

Author: sergiotomasello

platform.txt

@@ -126,7 +126,7 @@ tools.avrdude.upload.params.quiet=-q -q
 tools.avrdude.upload.params.noverify=-V
 tools.avrdude.upload.pattern="{cmd}" "-C{config.path}" {upload.verbose} -p{build.emu.mcu} -c{upload.protocol} -P{serial.port} -b{upload.speed} "-Uflash:w:{build.path}/{build.project_name}.hex:i"
 
-tools.avrdude_remote.upload.pattern="openocd --version 2>&1 | grep 2017 && /usr/bin/run-avrdude /tmp/sketch.hex || echo Can't upload; update your Tian first 1>&2; exit 1"
+tools.avrdude_remote.upload.pattern="openocd --version 2>&1 | grep 2016 && if opkg update; then opkg upgrade openocd; exit 1; else echo 'Please connect your board to the Internet in order to upgrade tools' >&2; exit 1; fi || /usr/bin/run-avrdude /tmp/sketch.hex"
 
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 # BOSSA