Add dfn 6 2 ep 2x2mm p0.65mm ep1x0.7mm

Created by: pboe

As discussed with @evanshultz in Issue #1452 (closed) First commit on github ever, so please cut me some slack. Datasheets:

• https://www.infineon.com/dgdl/irlhs6376pbf.pdf?fileId=5546d462533600a401535663bef425af
• https://www.onsemi.com/pub/Collateral/FDMA2002NZ-D.pdf
• https://assets.nexperia.com/documents/data-sheet/PMDPB56XNEA.pdf
• http://www.mccsemi.com/up_pdf/MCMNP517(DFN2020-6U)-A.pdf
• http://aosmd.com/res/data_sheets/AON2810.pdf
• https://www.diodes.com/assets/Datasheets/DMP2065UFDB.pdf

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