Device 0xa387 also supports MAC passthrough, therefore add it to the
whitelst.

BugLink: https://bugs.launchpad.net/bugs/1827961/comments/30Signed-off-by: NKai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>