Move PHYLIB to Kconfig

Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/configs/ecovec_defconfig b/configs/ecovec_defconfig
index 532b22d..d3ce6e6 100644
--- a/configs/ecovec_defconfig
+++ b/configs/ecovec_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MTD_NOR_FLASH=y
+CONFIG_PHYLIB=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y