selftests/timers: Fix spelling mistake "Asyncrhonous" -> "Asynchronous"

Trivial fix to spelling mistake
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NJohn Stultz <john.stultz@linaro.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Link: http://lkml.kernel.org/r/1480372524-15181-2-git-send-email-john.stultz@linaro.orgSigned-off-by: NThomas Gleixner <tglx@linutronix.de>

tools/testing/selftests/timers/skew_consistency.c

@@ -57,7 +57,7 @@ int main(int argv, char **argc)
 	pid_t pid;
 
 
-	printf("Running Asyncrhonous Frequency Changing Tests...\n");
+	printf("Running Asynchronous Frequency Changing Tests...\n");
 
 	pid = fork();
 	if (!pid)