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/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index f5821df..28f3ee3 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -66,6 +66,8 @@
 
 config PHY_AQUANTIA
 	bool "Aquantia Ethernet PHYs support"
+	select PHY_GIGE
+	select PHYLIB_10G
 
 config PHY_ATHEROS
 	bool "Atheros Ethernet PHYs support"
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c
index fe81217..a44fba0 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -9,10 +9,6 @@
 #include <dm.h>
 #include <phy.h>
 
-#ifndef CONFIG_PHYLIB_10G
-#error The Aquantia PHY needs 10G support
-#endif
-
 #define AQUNTIA_10G_CTL		0x20
 #define AQUNTIA_VENDOR_P1	0xc400