ARM: zynq: Remove PHYLIB from config to defconfig

Move PHYLIB from board config to defconfig

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
diff --git a/configs/zynq_zybo_defconfig b/configs/zynq_zybo_defconfig
index 1227b7a..c51049e 100644
--- a/configs/zynq_zybo_defconfig
+++ b/configs/zynq_zybo_defconfig
@@ -11,6 +11,7 @@
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_PHYLIB=y
 CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_UART_ZYNQ=y
 CONFIG_DEBUG_UART_BASE=0xe0001000