Update examples to use new dc/wdt.h header

Author: darcagn

examples/dreamcast/basic/threading/barrier/barrier.c

@@ -17,7 +17,7 @@
 
 #include <kos/thread.h>
 #include <kos/barrier.h>
-#include <arch/wdt.h>
+#include <dc/wdt.h>
 
 #include <stdlib.h>
 #include <stdint.h>
@@ -193,4 +193,4 @@ int main(int argc, char* argv[]) {
         fprintf(stderr, "\nXXXXX TEST COMPLETE: FAILURE XXXXX\n\n");
         return EXIT_FAILURE;
     }
-}
+}

examples/dreamcast/cpp/concurrency/concurrency.cpp

@@ -61,7 +61,7 @@
 #include <exception>
 #include <string>
 
-#include <arch/wdt.h>
+#include <dc/wdt.h>
 
 // 20 seconds in us
 inline constexpr unsigned WATCHDOG_TIMEOUT = (20 * 1000 * 1000);