net: phy: at803x: add support for qca 8327 A variant internal phy

For qca8327 internal phy there are 2 different switch variant with 2
different phy id. Add this missing variant so the internal phy can be
correctly identified and fixed.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>