configs: migrate CONFIG_PHY_AQUANTIA to Kconfig

The aquantia driver requires both CONFIG_PHY_GIGE and CONFIG_PHYLIB_10G.

Signed-off-by: Jeremy Gebben <jgebben@sweptlaser.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/configs/ls2080ardb_nand_defconfig b/configs/ls2080ardb_nand_defconfig
index 135cd80..061d5cd 100644
--- a/configs/ls2080ardb_nand_defconfig
+++ b/configs/ls2080ardb_nand_defconfig
@@ -47,7 +47,7 @@
 CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
 CONFIG_SYS_FLASH_CFI=y
 CONFIG_PHYLIB=y
-CONFIG_PHY_GIGE=y
+CONFIG_PHY_AQUANTIA=y
 CONFIG_E1000=y
 CONFIG_MII=y
 CONFIG_PCI=y