scripts/spelling.txt: add "an one" pattern and fix typo instances

Fix typos and add the following to the scripts/spelling.txt:

  an one||a one

I dropped the "an" before "one or more" in
drivers/net/ethernet/sfc/mcdi_pcol.h.

Link: http://lkml.kernel.org/r/1481573103-11329-6-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/s390/kernel/vtime.c

@@ -350,7 +350,7 @@ static void __add_vtimer(struct vtimer_list *timer, int periodic)
 }
 
 /*
- * add_virt_timer - add an oneshot virtual CPU timer
+ * add_virt_timer - add a oneshot virtual CPU timer
  */
 void add_virt_timer(struct vtimer_list *timer)
 {

drivers/net/ethernet/sfc/mcdi_pcol.h

@@ -10832,7 +10832,7 @@
 
 /***********************************/
 /* MC_CMD_GET_LICENSED_V3_FEATURE_STATES
- * Query the state of an one or more licensed features. (Note that the actual
+ * Query the state of one or more licensed features. (Note that the actual
  * state may be invalidated by the MC_CMD_LICENSING_V3 OP_UPDATE_LICENSE
  * operation or a reboot of the MC.) Used for V3 licensing (Medford)
  */

drivers/usb/core/devio.c

@@ -2335,7 +2335,7 @@ static int proc_drop_privileges(struct usb_dev_state *ps, void __user *arg)
 	if (copy_from_user(&data, arg, sizeof(data)))
 		return -EFAULT;
 
-	/* This is an one way operation. Once privileges are
+	/* This is a one way operation. Once privileges are
 	 * dropped, you cannot regain them. You may however reissue
 	 * this ioctl to shrink the allowed interfaces mask.
 	 */

scripts/spelling.txt

@@ -89,6 +89,7 @@ amout||amount
 an union||a union
 an user||a user
 an userspace||a userspace
+an one||a one
 analysator||analyzer
 ang||and
 anniversery||anniversary

tools/perf/util/dso.c

@@ -951,7 +951,7 @@ static struct dso *__dso__findlink_by_longname(struct rb_root *root,
 		if (rc == 0) {
 			/*
 			 * In case the new DSO is a duplicate of an existing
-			 * one, print an one-time warning & put the new entry
+			 * one, print a one-time warning & put the new entry
 			 * at the end of the list of duplicates.
 			 */
 			if (!dso || (dso == this))