Rename struct ethernet_std to ethernet_hdr, homeplug_std to homeplug_hdr and qualcomm_std to homeplug_hdr to match changes in upcoming toolkit. Correct misnamed variabled AMPTONE_COUPLING to PLCOUPLING to avoid compiler errors.
Merge pull request #13 from I2SE/master

More code clean ups and fix
Correct errors related to misspelled PRI64d and absence of a definition for PRI64d on Linux platforms. See open-plc-utils Issue #3.
Merge github.com:/qca/open-plc-utils
Removed illegal '%' from definition of constant 'PRI64d'.
Remove extra slash at start of comment block.