feat(intel): create source file for firewall configuration

Move codes that previously were part of system_manager driver into
firewall driver which are more appropriate based on their functionalities.

Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I35e9d792f35ee7491c2f306781417a0c8faae3fd
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
diff --git a/plat/intel/soc/stratix10/platform.mk b/plat/intel/soc/stratix10/platform.mk
index d9d88d4..21dc2d4 100644
--- a/plat/intel/soc/stratix10/platform.mk
+++ b/plat/intel/soc/stratix10/platform.mk
@@ -47,10 +47,10 @@
 		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_firewall.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	\
-		plat/intel/soc/common/soc/socfpga_system_manager.c	\
 		plat/intel/soc/common/drivers/qspi/cadence_qspi.c	\
 		plat/intel/soc/common/drivers/wdt/watchdog.c