usbutils: Update USB IDs list and drop gzip compression

Change mirror to Github (Gentoo repo) and drop the gzip compression.
Worst case there's about 4kbyte increase in size but most images ends up
beign somewhere between 4-100kbyte smaller due to the lzma compression.

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

SVN-Revision: 49246