Add kernel support for the Panasonic GOBI 3g modem. Note: GOBI modems require QDL firmware to be uploaded with gobi_loader: https://github.com/cederom/gobi_loader. Signed-off-by: CeDeROM Tomasz CEDRO <tomek@cedro.info> Pull Request: https://github.com/freebsd/freebsd-src/pull/115 Reviewed by: imp (split off kernel bits from original)