powerpc/config: enable aquantia PHY

Aquantia PHYs used on platforms such as T2080RDB, T1024RDB.
Signed-off-by: NShaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: NScott Wood <scottwood@freescale.com>

arch/powerpc/configs/85xx-hw.config

+CONFIG_AQUANTIA_PHY=y
 CONFIG_AT803X_PHY=y
 CONFIG_ATA=y
 CONFIG_BLK_DEV_SD=y