Fix misspellings of "separate" in strings.

Some string messages misspell "separate"; this fixes them. No change in
functionality.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index d0d25e2..1ac678d 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -435,7 +435,7 @@
 				found_dev->wakeup.gpe_device)) {
 				printk(KERN_WARNING
 				       "ACPI: '%s' and '%s' have the same GPE, "
-				       "can't disable/enable one seperately\n",
+				       "can't disable/enable one separately\n",
 				       dev->pnp.bus_id, found_dev->pnp.bus_id);
 				dev->wakeup.state.enabled =
 				    found_dev->wakeup.state.enabled;