r8152: Add MAC passthrough support to new device

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

BugLink: https://bugs.launchpad.net/bugs/1827961/comments/30


Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>