testsuites: Include missing header files

testsuites/libtests/termios01/init.c

@@ -15,6 +15,7 @@
 #include <termios.h>
 #include <rtems/termiostypes.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <sys/errno.h>
 
 /* rtems_termios_baud_t is a typedefs to int32_t */

testsuites/psxtests/psxconfig01/init.c

@@ -35,6 +35,7 @@
 #include <signal.h>
 #include <stdio.h>
 #include <time.h>
+#include <limits.h>
 
 #include <rtems/libcsupport.h>
 

testsuites/psxtests/psxfatal02/testcase.h

@@ -3,6 +3,7 @@
  */
 
 #include <errno.h>
+#include <limits.h>
 
 /*
  *  Way too much stack space.  Should generate a fatal error

testsuites/psxtests/psxid01/init.c

@@ -16,6 +16,7 @@
 
 #include <unistd.h>
 #include <errno.h>
+#include <limits.h>
 #include <sys/types.h>
 
 /* forward declarations to avoid warnings */

testsuites/psxtests/psxsignal01/init.c

@@ -15,6 +15,7 @@
 #include "system.h"
 #include <signal.h>
 #include <errno.h>
+#include <reent.h>
 
 /* forward declarations to avoid warnings */
 int test_main(void);

testsuites/sptests/spfatal12/testcase.h

@@ -8,6 +8,8 @@
  *  http://www.rtems.com/license/LICENSE.
  */
 
+#include <rtems/score/wkspace.h>
+
 #define FATAL_ERROR_TEST_NAME            "12"
 #define FATAL_ERROR_DESCRIPTION  \
         "_Heap_Initialize fails during RTEMS initialization"

testsuites/support/src/test_support.c

@@ -13,6 +13,7 @@
 
 #include <fcntl.h>
 #include <tmacros.h>
+#include <limits.h>
 #include "test_support.h"
 #include <rtems/libcsupport.h>