Add EDBG upload through IDE for G55#58

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AloyseTech wants to merge 2 commits intoaethaniel:masterfrom

AloyseTech:ide_edbg_upload

Commits on Apr 10, 2017

[ci skip][ide] Add samg55 EDBG upload support through the IDE
AloyseTech
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reverse to openocd upload by default - G55 (programming port)
AloyseTech
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