[WDT] Add Synopsys DesignWare watchdog

This device is commonly used in SoCs.

Signed-off-by: GuEe-GUI <2991707448@qq.com>

components/drivers/watchdog/Kconfig

@@ -2,6 +2,13 @@ menuconfig RT_USING_WDT
     bool "Using Watch Dog device drivers"
     default n
 
+config RT_WDT_DW
+    bool "Synopsys DesignWare watchdog"
+    depends on RT_USING_DM
+    depends on RT_USING_WDT
+    depends on RT_USING_RESET
+    default n
+
 if RT_USING_DM && RT_USING_WDT
     osource "$(SOC_DM_WDT_DIR)/Kconfig"
 endif

components/drivers/watchdog/SConscript

@@ -11,6 +11,9 @@ CPPPATH = [cwd + '/../include']
 
 src = ['dev_watchdog.c']
 
+if GetDepend(['RT_WDT_DW']):
+    src += ['watchdog-dw.c']
+
 group = DefineGroup('DeviceDrivers', src, depend = [''], CPPPATH = CPPPATH)
 
 Return('group')