intel: Enable EMAC PHY in Intel FPGA platform

This initializes the EMAC PHY in both Stratix 10 and Agilex,
without this, EMAC PHY wouldn't work correctly.

Change-Id: I7e6b9e88fd9ef472884fcf648e6001fcb7549ae6
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
diff --git a/plat/intel/soc/agilex/platform.mk b/plat/intel/soc/agilex/platform.mk
index f47c3f1..0a91c23 100644
--- a/plat/intel/soc/agilex/platform.mk
+++ b/plat/intel/soc/agilex/platform.mk
@@ -1,6 +1,6 @@
 #
-# Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
-# Copyright (c) 2019, Intel Corporation. All rights reserved.
+# Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2019-2020, Intel Corporation. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -42,6 +42,7 @@
 		plat/intel/soc/common/socfpga_delay_timer.c		\
 		plat/intel/soc/common/socfpga_image_load.c		\
 		plat/intel/soc/common/socfpga_storage.c			\
+		plat/intel/soc/common/soc/socfpga_emac.c		\
 		plat/intel/soc/common/soc/socfpga_handoff.c		\
 		plat/intel/soc/common/soc/socfpga_mailbox.c		\
 		plat/intel/soc/common/soc/socfpga_reset_manager.c	\