treewide: Fix typo in printk

Correct spelling typo within various part of the kernel

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index e2f9ef5..d510bff 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -2306,7 +2306,7 @@
 		break;
 	default:
 		ret = -ENODEV;
-		ath10k_err("Unkown device ID: %d\n", pci_dev->device);
+		ath10k_err("Unknown device ID: %d\n", pci_dev->device);
 		goto err_ar_pci;
 	}