Update submodules

arch

@@ -1 +1 @@
-Subproject commit 505399a54c301298ec308cefcc07dd7668b6df92
+Subproject commit 39dca5d1dc63ca02a7f897ff7de0bb03fee86a60

configs

@@ -1 +1 @@
-Subproject commit e643990c17347abf015d66bd3d832acb9d5e260b
+Subproject commit 2d69d8ab99187e4270bb4b4bd1d61d5324b81916

fs/vfs/fs_poll.c

@@ -379,7 +379,7 @@ int poll(FAR struct pollfd *fds, nfds_t nfds, int timeout)
        */
 
       err = poll_teardown(fds, nfds, &count, ret);
-      if (err < 0 && ret == OK)
+      if (err < 0 && ret >= 0)
         {
           ret = err;
         }

tools/testbuild.sh

@@ -44,9 +44,9 @@ unset testfile
 function showusage {
     echo ""
     echo "USAGE: $progname [-w|l] [-c|n] [-s] <testlist-file>"
-    echo "USAGE: $progname -h"
+    echo "       $progname -h"
     echo ""
-    echo "where"
+    echo "Where:"
     echo "  -w|l selects Windows (w) or Linux (l).  Default: Linux"
     echo "  -c|n selects Windows native (n) or Cygwin (c).  Default Cygwin"
     echo "  -s Use C++ unsigned long size_t in new operator. Default unsigned int"