trivial: fix singal -> signal typo

Typo fix.
Signed-off-by: NFrederik Schwarzer <schwarzerf@gmail.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

arch/cris/arch-v32/kernel/signal.c

@@ -456,7 +456,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	return -EFAULT;
 }
 
-/* Invoke a singal handler to, well, handle the signal. */
+/* Invoke a signal handler to, well, handle the signal. */
 static inline int
 handle_signal(int canrestart, unsigned long sig,
 	      siginfo_t *info, struct k_sigaction *ka,

drivers/scsi/scsi_error.c

@@ -1650,7 +1650,7 @@ int scsi_error_handler(void *data)
 	 * We use TASK_INTERRUPTIBLE so that the thread is not
 	 * counted against the load average as a running process.
 	 * We never actually get interrupted because kthread_run
-	 * disables singal delivery for the created thread.
+	 * disables signal delivery for the created thread.
 	 */
 	set_current_state(TASK_INTERRUPTIBLE);
 	while (!kthread_should_stop()) {