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

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

  intialization||initialization

The "inintialization" in drivers/acpi/spcr.c is a different pattern but
I fixed it as well in this commit.

Link: http://lkml.kernel.org/r/1481573103-11329-16-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>
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index f9e3aee..7c2eed76 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -1068,7 +1068,7 @@ static void fw_device_init(struct work_struct *work)
 
 	/*
 	 * Transition the device to running state.  If it got pulled
-	 * out from under us while we did the intialization work, we
+	 * out from under us while we did the initialization work, we
 	 * have to shut down the device again here.  Normally, though,
 	 * fw_node_event will be responsible for shutting it down when
 	 * necessary.  We have to use the atomic cmpxchg here to avoid
@@ -1231,7 +1231,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event)
 			break;
 
 		/*
-		 * Do minimal intialization of the device here, the
+		 * Do minimal initialization of the device here, the
 		 * rest will happen in fw_device_init().
 		 *
 		 * Attention:  A lot of things, even fw_device_get(),