treewide: fix printk typo in multiple drivers

Correct spelling typo in multiple drivers.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index aa31692..509ed1a 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -231,7 +231,7 @@
 
 	nacl = kzalloc(sizeof(struct tcm_vhost_nacl), GFP_KERNEL);
 	if (!nacl) {
-		pr_err("Unable to alocate struct tcm_vhost_nacl\n");
+		pr_err("Unable to allocate struct tcm_vhost_nacl\n");
 		return NULL;
 	}