Add ASIX MCS7830 and MCS7832 Ethernet <-> USB drivers v1.1.0

Home page for this cask points to ASIX's "USB Bridge" page
because this driver covers two of their chipsets.
Merge pull request #4527 from lvillani/mcs783x

Add ASIX MCS7830 and MCS7832 Ethernet <-> USB drivers v1.1.0