treewide: Fix typo in various drivers

Correct spelling typo in printk within various drivers.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 0d6d7c1..be79388 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -1718,7 +1718,7 @@
 
 	nacl = kzalloc(sizeof(struct sbp_nacl), GFP_KERNEL);
 	if (!nacl) {
-		pr_err("Unable to alocate struct sbp_nacl\n");
+		pr_err("Unable to allocate struct sbp_nacl\n");
 		return NULL;
 	}