x86/mpx/selftests: fix spelling mistake "succeded" -> "succeeded"

There is a spelling mistake eprintf error message, fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>

tools/testing/selftests/x86/mpx-mini-test.c

@@ -1503,7 +1503,7 @@ void check_mpx_insns_and_tables(void)
 		exit(20);
 	}
 	if (successes != total_nr_tests) {
-		eprintf("ERROR: succeded fewer than number of tries (%d != %d)\n",
+		eprintf("ERROR: succeeded fewer than number of tries (%d != %d)\n",
 				successes, total_nr_tests);
 		exit(21);
 	}