treewide: Fix typos in various Kconfig

Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 28e9d6c9..cba01d7 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1115,7 +1115,7 @@
 	depends on DEBUG_KERNEL
 	select DEBUG_FS
 	help
-	  This option provides the ability to inject artifical errors to
+	  This option provides the ability to inject artificial errors to
 	  specified notifier chain callbacks. It is useful to test the error
 	  handling of notifier call chain failures.
 
@@ -1126,7 +1126,7 @@
 	depends on HOTPLUG_CPU && NOTIFIER_ERROR_INJECTION
 	help
 	  This option provides a kernel module that can be used to test
-	  the error handling of the cpu notifiers by injecting artifical
+	  the error handling of the cpu notifiers by injecting artificial
 	  errors to CPU notifier chain callbacks.  It is controlled through
 	  debugfs interface under /sys/kernel/debug/notifier-error-inject/cpu
 
@@ -1150,7 +1150,7 @@
 	depends on PM && NOTIFIER_ERROR_INJECTION
 	default m if PM_DEBUG
 	help
-	  This option provides the ability to inject artifical errors to
+	  This option provides the ability to inject artificial errors to
 	  PM notifier chain callbacks.  It is controlled through debugfs
 	  interface /sys/kernel/debug/notifier-error-inject/pm
 
@@ -1173,7 +1173,7 @@
 	tristate "Memory hotplug notifier error injection module"
 	depends on MEMORY_HOTPLUG_SPARSE && NOTIFIER_ERROR_INJECTION
 	help
-	  This option provides the ability to inject artifical errors to
+	  This option provides the ability to inject artificial errors to
 	  memory hotplug notifier chain callbacks.  It is controlled through
 	  debugfs interface under /sys/kernel/debug/notifier-error-inject/memory
 
@@ -1196,7 +1196,7 @@
 	tristate "pSeries reconfig notifier error injection module"
 	depends on PPC_PSERIES && NOTIFIER_ERROR_INJECTION
 	help
-	  This option provides the ability to inject artifical errors to
+	  This option provides the ability to inject artificial errors to
 	  pSeries reconfig notifier chain callbacks.  It is controlled
 	  through debugfs interface under
 	  /sys/kernel/debug/notifier-error-inject/pSeries-reconfig/