feat(intel): restructure watchdog

This patch is to restructure watchdog.
Move platform dependent MACROs to individual platform socfpga_plat_def.
Common watchdog code file and header file will remain for those common
declaration.

Change-Id: Ibb640f08ac313bbad6d9295596cb8ff26e3e626d
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
diff --git a/plat/intel/soc/agilex5/include/socfpga_plat_def.h b/plat/intel/soc/agilex5/include/socfpga_plat_def.h
index 8a49d61..e900016 100644
--- a/plat/intel/soc/agilex5/include/socfpga_plat_def.h
+++ b/plat/intel/soc/agilex5/include/socfpga_plat_def.h
@@ -95,6 +95,11 @@
 #define PLAT_UART1_BASE						(0x10C02100)
 
 /*******************************************************************************
+ * WDT related constants
+ ******************************************************************************/
+#define WDT_BASE			(0x10D00200)
+
+/*******************************************************************************
  * GIC related constants
  ******************************************************************************/
 #define PLAT_GIC_BASE						(0x1D000000)