Include missing <rtems/score/thread.h>

Update #3598.

bsps/powerpc/shared/clock/clock-ppc-dec.c

@@ -31,6 +31,7 @@
 #include <libcpu/powerpc-utility.h>
 #include <rtems/timecounter.h>
 #include <rtems/score/percpu.h>
+#include <rtems/score/thread.h>
 
 #include <bspopts.h>   /* for CLOCK_DRIVER_USE_FAST_IDLE */
 

bsps/powerpc/shared/exceptions/ppc_exc_print.c

@@ -19,6 +19,7 @@
 
 #include <bsp/vectors.h>
 
+#include <rtems/score/thread.h>
 #include <rtems/score/threaddispatch.h>
 
 #include <inttypes.h>

cpukit/libdebugger/rtems-debugger-threads.h

@@ -33,6 +33,8 @@
 
 #include <rtems/debugger/rtems-debugger-server.h>
 
+#include <rtems/score/thread.h>
+
 #include "rtems-debugger-block.h"
 
 #ifdef __cplusplus