init/main: fix reset_device comment

Fix incorrect spelling of situation.
Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

init/main.c

@@ -145,7 +145,7 @@ EXPORT_SYMBOL_GPL(static_key_initialized);
  * rely on the BIOS and skip the reset operation.
  *
  * This is useful if kernel is booting in an unreliable environment.
- * For ex. kdump situaiton where previous kernel has crashed, BIOS has been
+ * For ex. kdump situation where previous kernel has crashed, BIOS has been
  * skipped and devices will be in unknown state.
  */
 unsigned int reset_devices;